With all the bikini and shirtless moments we've already been blessed with this year, it's clear that celebrities know a thing or two about being sexy. Still, nothing quite gets our hearts beating like an NSFW snap, and we've already been treated to a handful of those. From Kourtney Kardashian, to Miley Cyrus, to Halle Berry, check out the steamiest celebrity snaps of 2019 — so far!