Sierra Skye is back in her bikini. The model and social media sensation – whose jaw-dropping curves and rock-hard workout body have earned her a following of 4.1 million – has not posted any permanent updates since honoring #BlackoutTuesday last week. Stories shared just in time for the weekend reminded fans that Sierra's killer bikini body hasn't gone anywhere. In fact, it looked like the stunner had chosen one of the tiniest two-pieces amid her seemingly-never-ending collection. Scroll for her best snaps and videos.