If there's one thing we know how to do, it's determine which celebrity swimsuits were so sexy they A) fogged up our screen; B) left us breathless; or C) caused a major energy spike. Some of our favorite stars to follow have slipped into bikinis and maillots so sultry, we bet they were even complicated to put on. From Iskra Lawrence's Aerie suits with high-leg cuts and Kourtney Kardashian's unbelievably skimpy vacation bikinis to Bella Hadid's topless snaps at Coachella, there's plenty to see. Ahead, we've gathered the suits from 2018 that made our hearts beat fast. We even broke down the list by month, so you can really reminisce on the hits.