Last Night's Look: Love It or Leave It?We can't stop talking about Reese Witherspoon's LBD, Jennifer Lopez's voluminous skirt and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

BEYONCÉ

Queen Bey gives a nod to her Destiny's Child days in this plunging white Roberto Cavalli gown with a sexy midriff cutout, which she accessorizes with a gold clutch and sleek strands at the 40/40 Club's 10 Year Anniversary Party in N.Y.C.