Machine Gun Kelly and fiancée Megan Fox led the celebrity arrivals at Kourtney Kardashian and Travis Barker's magical Italian wedding on Sunday 22 May.The Keeping Up With The Kardashians star looked breathtaking in a white corset mini dress and floor-length veil as she exchanged vows with the Blink-182 drummer at Roman castle Castello Brown. And while the guestlist remained small, a few famous faces stepped out in style to witness the smitten pair officially become husband and wife.