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

JENNIFER ANISTON

What goes well with a massive diamond ring? For the newly engaged actress (with fiancé Justin Theroux), it's a daringly low-cut, body-hugging black dress and slim clutch, worn to the LACMA Art + Film gala in L.A.