'Twilight' Turns 15: On the Red Carpet With Kristen Stewart and Robert Pattinson (Flashback)

'Twilight' turns 15! ET spoke with stars Robert Pattinson and Kristen Stewart at the 2008 premiere. The actors talk about the franchise’s major fan base and filming a vampire romance scene. Robert Pattison talks about working alongside a stunt double and having two songs on the film’s soundtrack.