Beyonce in Lanvin. (Frederic J. Brown / AFP / Getty Images)
Kim Kardashian in KaufmanFranco. (Frederic J. Brown / AFP / Getty Images)
Justin Bieber in red jeans and Loree Rodkin jewelry, with his pet snake Johnson in hand. (Frederic J. Brown / AFP / Getty Images)
Selena Gomez in Julien MacDonald. (Frederic J. Brown / AFP / Getty Images)
Britney Spears in a Moschino jumper. (Frederic J. Brown / AFP / Getty Images)
Miley Cyrus in Roberto Cavalli. (Chris Pizzello / Associated Press)
Adele in Burberry. (Frederic J. Brown / AFP / Getty Images)
Nicki Minaj. (Chris Pizzello / Associated Press)
Katy Perry in Versace. (Frederic J. Brown / AFP / Getty Images)
Zoe Saldana in Barbara Bui. (Frederic J. Brown / AFP / Getty Images)
Demi Lovato in Mandalay. (Jason Merritt / Getty Images)
