"Game of Thrones" actress Sophie Turner, who plays the young Jean Grey in Bryan Singer's upcoming "X-Men: Apocalypse," has tweeted a photo showing one of the film's easter eggs - and in the process has suggested a potential celebrity cameo. #FBF that time Cyclops and I went shopping at the mall and found our favorite singer’s album (pre 1989, of course) pic.twitter.com/BherKQbE4Z— Sophie Turner (@SophieT) April 29, 2016 In the shot, her character is holding up an album by Dazzler, a famed mutant in the X-Men universe who has the ability to convert sound vibrations into light and energy beams and hasn't shown up on screen so far.