The former X Factor judge, 31, wowed as she stepped out in the barely-there ensemble, in which she proudly displayed her tanned and toned curves.
With eyelets and crochet trim to add some interest, the boost bikini is both stylish and super flattering.
As well as giving a glimpse of the breathtaking views she's been enjoying, the Young singer wished her pal, with whom she's vacationing, a happy birthday.
While the rest of us are returning to work after a much too short summer, Tulisa Contostavlos has headed to Mykonos for a last-minute getaway with her pals.