"Officially a part of the legacy. Check out @calvinklein for more. #mycalvins. #newfaceofcalvinklein," he wrote on Instagram. "This is just the start of the year #mycalvins #beallyoucanbe #learnfromyourfaults #risetosuccess #dontbeashamedredeem #thebestisyet2come"
Bieber, 20, posed alongside model Lara Stone for the new Calvin Klein Jeans and Calvin Klein Underwear campaigns. It's been a busy year for the singer so far, who recently revealed that he injured his foot.
"Broke my damn foot," he wrote on Facebook yesterday, along with a photo of his swollen ankle.