
Giambattista Valli debuts his collection for H&M at Cannes. Reuters
Giambattista Valli debuts his collection for H&M at Cannes. Reuters
Giambattista Valli for H&M: Why haute couture designers collaborate with high-street labels
From Karl Lagerfeld for H&M to Rami Al Ali for Charles & Keith, big-name designers often team up with everyday labels. We find out why