J-Lo swapped her Armani Prive white gown for something a little sleeker last night, turning up to the Vanity Fair Oscars party in this black cut-out dress with feathered shoulder detail. Unlike other stars who opted for shorter lengths and more party-friendly styles, Jen kept things equally as glam for the evening's festivities. I must say, this look really suits her. It's simple, sexy and elegant. Are you feeling it?