Last Night's Look: Love it or Leave it?Check out the head-turning outfits Zoë Saldana, Michelle Williams and more stars were just spotted in! Then decide – fabulous or fashion fail?

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SELENA GOMEZ

Bieber's babe shows her jean-ius at the Viacom seminar event at Cannes, wearing destroyed denim with a shimmery Alice + Olivia top and pointed-toe Casadei pumps with minimal jewels.