Ben Stiller and Owen Wilson were leading the stars at the premiere of their new movie Night at the Museum: Secret of the Tomb at the Ziegfeld Theater in New York.The Hollywood heartthrobs were joined by cast mates including Rebel Wilson, Ricky Gervais and Dan Stevens at the world premiere of the family-friendly flick.The film, which also stars the late Robin Williams, was a celebratory affair with the star being represented and honoured by his late wife Susan Schneider.