Sierra Kusterbeck’s dress from the “Figure It Out” music video is the Asymmetric Cutout Dress from Nasty Gal ($38.00).
It is sold out in black, but it’s still available in tan. update: the black version is back in stock!
Some similar dresses:
Charlotte Russe Single Sleeve Ruched Dress – $29.50
thanks Vic and rawkstarr901
H&M Stripe Jersey Dress – Â£9.99
This dress from H&M is available in stores in a color combo like Sierra’s (I’m not sure if it’s exact). It is only available online in white with black stripes.
Sierra’s exact dress from Drop Dead Clothing is sold out, but they sell a men’s t-shirt with the same design:
Drop Dead Clothing Brain Eater Vest Dress – Â£30 [exact - sold out]
Drop Dead Clothing Brain Eater T-Shirt – Â£30 [similar]
Insight Money Maker Dress – $65 [exact]