Demi Lovato, in Naeem Khan, arrives at the E! People's Choice Awards held at the Barker Hangar in Santa Monica, California, on November 15, 2020. Getty Images
Demi Lovato, in Burberry Prorsum, attends the premiere of 'Camp Rock' on June 11, 2008 in New York, US. Getty Images
Demi Lovato, in Balmain, arrives at the premiere of 'Camp Rock' at Royal Festival Hall on September 10, 2008 in London, England. Getty Images
Demi Lovato, in Shoshanna, arrives at the premiere of 'Jonas Brothers: The 3D Concert Experience' in Hollywood, California, on February 24, 2009. EPA
Demi Lovato, in a Joie jacket, attends the new Disney season photocall at the Disney Channel building on April 20, 2009 in Madrid, Spain. Getty Images
Demi Lovato, in a strapless silver dress, arrives at the premiere of 'Hannah Montana: The Movie' at the Odeon on April 23, 2009 in London, England. Getty Images
Demi Lovato, in Jenny Packham, arrives at the American Music Awards in Los Angeles, California, on November 22, 2009. EPA
Demi Lovato, in Jenny Packham, arrives at the People's Choice Awards at the Nokia Theatre in Los Angeles, California, on January 6, 2010. EPA
Demi Lovato, in Herve Leger, arrives at the VH1 Do Something! Awards at the Hollywood Palladium on July 19, 2010 in Hollywood, California. Getty Images
Demi Lovato, in Alexander Wang, attends the American Music Awards nominations ceremony in Los Angeles, California, on October 12, 2010. EPA
Demi Lovato, in Mandalay, arrives at the MTV Video Music Awards at the Nokia Theatre in Los Angeles, California, on August 28, 2011. EPA
Demi Lovato, in Marchesa, arrives at the People's Choice Awards at Nokia Theatre on January 11, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in Falguni and Shane, arrives at the Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California. Getty Images
Demi Lovato, in a sequinned mini dress, attends the MTV Video Music Awards in Los Angeles, California, on September 6, 2012. EPA
Demi Lovato, in Topshop, attends VH1 Divas at the Shrine Auditorium on December 16, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in Topshop, attends the premiere of 'The X Factor' season finale at CBS Television City on December 20, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in a black dress and gold belt, attends Fox's Programming Presentation party at Wollman Rink on May 13, 2013 in New York. US. Getty Images
Demi Lovato, in Isabel Marant, signs copies of her new album 'Demi' at HMV on May 28, 2013 in London, England. Getty Images
Demi Lovato, in a black blazer and mid-length trousers, attends 'The X Factor' season three premiere party at Ciccone Restaurant on September 5, 2013 in West Hollywood, California. Getty Images
Demi Lovato, in Helmut Lang, attends the 15th anniversary of 'Glamour' in Mexico City, Mexico, on October 10, 2013. EPA
Demi Lovato, in Jitoris, attends a screening at Sony Pictures Studios on February 27, 2014 in Culver City, California. Getty Images
Demi Lovato, in Lanvin, arrives at the 31st MTV Video Music Awards at The Forum in Inglewood, California, on August 24, 2014. EPA
Demi Lovato, in Peter Pilotto, poses while promoting her single 'Cool for the Summer' in Sydney, Australia, on August 10, 2015. EPA
Demi Lovato, in Nicolas Jebran, arrives at the 32nd MTV Video Music Awards at the Microsoft Theatre in Los Angeles, California, on August 30, 2015. EPA
Demi Lovato, in Moschino, visits Kiss FM studios on September 10, 2015 in London, England. Getty Images
Demi Lovato, in Lorena Sarbu, arrives at the American Music Awards at the Microsoft Theatre in Los Angeles, California, on November 22, 2015. EPA
Demi Lovato, in Lorena Sarbu, attends the MusiCares Person of the Year benefit gala dinner and concert in Los Angeles, California, on February 13, 2016. EPA
Demi Lovato, in Norisol Ferrari, attends the 58th annual Grammy Awards at the Staples Centre in Los Angeles, California, on February 15, 2016. EPA
Demi Lovato, in Moschino, attends the Met Gala at The Metropolitan Museum of Art in New York, US, on May 2, 2016. EPA
Demi Lovato, in Isabel Marant, attends the Global Citizen Festival at Central Park on September 24, 2016 in New York, US. Getty Images
Demi Lovato, in a checked shirt dress, poses during a press conference in Mexico City, Mexico, on October 17, 2016. EPA
Demi Lovato, in Julien Macdonald, attends the 59th annual Grammy Awards at the Staples Centre in Los Angeles, California, on February 12, 2017. EPA
Demi Lovato, in Monique Lhuillier, attends the Vanity Fair Oscar Party following the 89th annual Academy Awards in Beverly Hills, California, on February 26, 2017. EPA
Demi Lovato, in Halston Heritage, attends the Nickelodeon Kids Choice Awards at USC Galen Centre in Los Angeles, California, on March 11, 2017. EPA
Demi Lovato, in Jill Stuart, attends a Smurfs event at United Nations headquarters in New York, US, on March 18, 2017. EPA
Demi Lovato, in Zuhair Murad, attends the Time 100 Gala at Frederick P Rose Hall in New York, US, on April 25, 2017. EPA
Demi Lovato, in Greta Constantine, attends the Global Citizen Festival in Central Park in New York, US, on September 23, 2017. EPA
Demi Lovato, in blue leather trousers, visits Kiss FM studios on September 27, 2017 in London, England. Getty Images
Demi Lovato, in Lexi, attends the premiere of 'Demi Lovato: Simply Complicated' at the Fonda Theatre in Hollywood, California, on October 11, 2017. EPA
Demi Lovato, in Styland, attends the MTV EMAs at the SSE Arena on November 12, 2017 in London, England. Getty Images
Demi Lovato, in Ester Abner, attends the American Music Awards at the Microsoft Theatre in Los Angeles, California, on November 19, 2017. EPA
Demi Lovato, in Dior, attends the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas, Nevada, on May 20, 2018. EPA
Demi Lovato, in Valentino, attends the Teen Vogue Summit at Goya Studios on November 2, 2019 in Los Angeles, California. Getty Images
Demi Lovato, in Sergio Hudson, performs the National Anthem before the National Football League's Super Bowl LIV at Hard Rock Stadium in Miami Gardens, Florida, on February 2, 2020. EPA
Demi Lovato, in Naeem Khan, arrives at the E! People's Choice Awards held at the Barker Hangar in Santa Monica, California, on November 15, 2020. Getty Images
Demi Lovato, in Burberry Prorsum, attends the premiere of 'Camp Rock' on June 11, 2008 in New York, US. Getty Images
Demi Lovato, in Balmain, arrives at the premiere of 'Camp Rock' at Royal Festival Hall on September 10, 2008 in London, England. Getty Images
Demi Lovato, in Shoshanna, arrives at the premiere of 'Jonas Brothers: The 3D Concert Experience' in Hollywood, California, on February 24, 2009. EPA
Demi Lovato, in a Joie jacket, attends the new Disney season photocall at the Disney Channel building on April 20, 2009 in Madrid, Spain. Getty Images
Demi Lovato, in a strapless silver dress, arrives at the premiere of 'Hannah Montana: The Movie' at the Odeon on April 23, 2009 in London, England. Getty Images
Demi Lovato, in Jenny Packham, arrives at the American Music Awards in Los Angeles, California, on November 22, 2009. EPA
Demi Lovato, in Jenny Packham, arrives at the People's Choice Awards at the Nokia Theatre in Los Angeles, California, on January 6, 2010. EPA
Demi Lovato, in Herve Leger, arrives at the VH1 Do Something! Awards at the Hollywood Palladium on July 19, 2010 in Hollywood, California. Getty Images
Demi Lovato, in Alexander Wang, attends the American Music Awards nominations ceremony in Los Angeles, California, on October 12, 2010. EPA
Demi Lovato, in Mandalay, arrives at the MTV Video Music Awards at the Nokia Theatre in Los Angeles, California, on August 28, 2011. EPA
Demi Lovato, in Marchesa, arrives at the People's Choice Awards at Nokia Theatre on January 11, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in Falguni and Shane, arrives at the Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California. Getty Images
Demi Lovato, in a sequinned mini dress, attends the MTV Video Music Awards in Los Angeles, California, on September 6, 2012. EPA
Demi Lovato, in Topshop, attends VH1 Divas at the Shrine Auditorium on December 16, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in Topshop, attends the premiere of 'The X Factor' season finale at CBS Television City on December 20, 2012 in Los Angeles, California. Getty Images
Demi Lovato, in a black dress and gold belt, attends Fox's Programming Presentation party at Wollman Rink on May 13, 2013 in New York. US. Getty Images
Demi Lovato, in Isabel Marant, signs copies of her new album 'Demi' at HMV on May 28, 2013 in London, England. Getty Images
Demi Lovato, in a black blazer and mid-length trousers, attends 'The X Factor' season three premiere party at Ciccone Restaurant on September 5, 2013 in West Hollywood, California. Getty Images
Demi Lovato, in Helmut Lang, attends the 15th anniversary of 'Glamour' in Mexico City, Mexico, on October 10, 2013. EPA
Demi Lovato, in Jitoris, attends a screening at Sony Pictures Studios on February 27, 2014 in Culver City, California. Getty Images
Demi Lovato, in Lanvin, arrives at the 31st MTV Video Music Awards at The Forum in Inglewood, California, on August 24, 2014. EPA
Demi Lovato, in Peter Pilotto, poses while promoting her single 'Cool for the Summer' in Sydney, Australia, on August 10, 2015. EPA
Demi Lovato, in Nicolas Jebran, arrives at the 32nd MTV Video Music Awards at the Microsoft Theatre in Los Angeles, California, on August 30, 2015. EPA
Demi Lovato, in Moschino, visits Kiss FM studios on September 10, 2015 in London, England. Getty Images
Demi Lovato, in Lorena Sarbu, arrives at the American Music Awards at the Microsoft Theatre in Los Angeles, California, on November 22, 2015. EPA
Demi Lovato, in Lorena Sarbu, attends the MusiCares Person of the Year benefit gala dinner and concert in Los Angeles, California, on February 13, 2016. EPA
Demi Lovato, in Norisol Ferrari, attends the 58th annual Grammy Awards at the Staples Centre in Los Angeles, California, on February 15, 2016. EPA
Demi Lovato, in Moschino, attends the Met Gala at The Metropolitan Museum of Art in New York, US, on May 2, 2016. EPA
Demi Lovato, in Isabel Marant, attends the Global Citizen Festival at Central Park on September 24, 2016 in New York, US. Getty Images
Demi Lovato, in a checked shirt dress, poses during a press conference in Mexico City, Mexico, on October 17, 2016. EPA
Demi Lovato, in Julien Macdonald, attends the 59th annual Grammy Awards at the Staples Centre in Los Angeles, California, on February 12, 2017. EPA
Demi Lovato, in Monique Lhuillier, attends the Vanity Fair Oscar Party following the 89th annual Academy Awards in Beverly Hills, California, on February 26, 2017. EPA
Demi Lovato, in Halston Heritage, attends the Nickelodeon Kids Choice Awards at USC Galen Centre in Los Angeles, California, on March 11, 2017. EPA
Demi Lovato, in Jill Stuart, attends a Smurfs event at United Nations headquarters in New York, US, on March 18, 2017. EPA
Demi Lovato, in Zuhair Murad, attends the Time 100 Gala at Frederick P Rose Hall in New York, US, on April 25, 2017. EPA
Demi Lovato, in Greta Constantine, attends the Global Citizen Festival in Central Park in New York, US, on September 23, 2017. EPA
Demi Lovato, in blue leather trousers, visits Kiss FM studios on September 27, 2017 in London, England. Getty Images
Demi Lovato, in Lexi, attends the premiere of 'Demi Lovato: Simply Complicated' at the Fonda Theatre in Hollywood, California, on October 11, 2017. EPA
Demi Lovato, in Styland, attends the MTV EMAs at the SSE Arena on November 12, 2017 in London, England. Getty Images
Demi Lovato, in Ester Abner, attends the American Music Awards at the Microsoft Theatre in Los Angeles, California, on November 19, 2017. EPA
Demi Lovato, in Dior, attends the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas, Nevada, on May 20, 2018. EPA
Demi Lovato, in Valentino, attends the Teen Vogue Summit at Goya Studios on November 2, 2019 in Los Angeles, California. Getty Images
Demi Lovato, in Sergio Hudson, performs the National Anthem before the National Football League's Super Bowl LIV at Hard Rock Stadium in Miami Gardens, Florida, on February 2, 2020. EPA
Demi Lovato, in Naeem Khan, arrives at the E! People's Choice Awards held at the Barker Hangar in Santa Monica, California, on November 15, 2020. Getty Images
