Last Night's Look: Love It or Leave It?Check out the head-turning outfits Katy Perry, Lea Michele and more stars were just spotted in! Then decide – fabulous or fashion fail!

OLIVIA PALERMO

Longtime Valentino fan Olivia picks a majorly busy dress (white lace, black lace, zig-zags, sheerness) then gussies it up further with a glittering necklace and multicolor pumps, to celebrate the designer's Master of Couture exhibit in London.



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