See what makes Rihanna a Trekkie in :50! For more 50 in :50 videos dedicated to the 50th anniversary, check out the Star Trek Movie Facebook Page! Get a behind-the-scenes look at Rihanna’s “Sledgehammer” music video with director Floria Sigismondi ‪…. STAR TREK BEYOND is in theaters July 22, 2016 STAY SOCIAL WITH…