Demi Rose is admitting that she's needy while in a skimpy halterneck bikini. The 26-year-old model, fresh from celebrating her birthday at the end of March, was last night back to posting throwbacks, with Thursday night bringing the Pretty Little Thing ambassador back in her signature swimwear. All curves and showing a rare blonde moment, Demi updated with a shout-out to her hairstylist, also ensuring those 16.1 million Instagram followers got a giant dose of curves. Check out the photo, plus Demi's best below.