iCarly, meet Billy! Miranda Cosgrove, the 16-year-old star of Nickelodeon's Drake and Josh and iCarly, stepped off the small screen and onto Broadway on September 15, heading directly to our current mecca of underaged talent: Billy Elliot. There, Cosgrove bonded with the Tony-winning cast's long list of teen and tween talent, including current title stars Tommy Batchelor and ...