Jessica Simpson [1] upped her sexy Instagram game [2] with a new snap on Friday. The picture shows Jessica striking a confident pose during a voyage at sea. "Yacht Life #FBF," she captioned the image, which appears to be from her 35th birthday celebration in Europe [3] earlier this month. You may already be familiar with Jessica's black monokini — both Kendall and Kylie Jenner have shown off their physiques in the same piece [4]. If all the swimsuit talk has you yearning for a sunny getaway this Summer, check out the ultimate celebrity bikini gallery [5].