This flight attendant is giving a new definition for the term “fly girl.” According to this viral YouTube video, the attendant started dancing to Bruno Mars’ hit “Uptown Funk” to entertain passengers as they waited for other guests to board the plane. a Redditor “Simian_King,” who uploaded the video on the social news site on Monday, identified the woman as his sister -- a "former break-dancer turned flight attendant." “I haven't seen anything quite this charming in a long time,” said Cosmopolitan of the adorable video.