Kim Kardashian is eyeing up the big FOUR-OH and doing it as only she does. The reality star and makeup mogul, 39, is gearing up to turn 40 on October 21, with the KKW Beauty founder already taking to Instagram with the pre-birthday snaps. Kim, followed by 190 million, posted scatily-clad bikini snaps of herself emerging from a three-tiered cake ahead of her big day, with the OG curves definitely on show. Kim, acting as the candle, was proving she's nowhere near done dominating the digital space. Check it out below.