Just a few days ago, Olivia Wilde rocked up to the LA premiere of her new comedy, Drinking Buddies, looking decidedly casual in a Bruce Springsteen tee and black dipped hemline skirt.
Fast forward four days, and she upped the ante just a smidge - and totally knocked it out of the ball park in a stunning cutout teal J Mendel dress at the NY screening of the flick.
Olivia then wore the stunning frock, which she accessorised with an EF Collection cuff, for an appearance on The Late Show With David Letterman.
She left her caramel dip-dyed locks loose and curly, while her makeup was strong and smoky, and her heels were nude and strappy.
What's more, we got a real close-up treat of her AMAZING emerald-edged diamond engagement ring. It could make you cry it's so gorge.
This has got to be one of our favourite Olivia looks. Agreed? The midi skirt is THE length for Autumn/Winter 2013, so get on the bandwagon below: