McFly Light Up London
The group are switching on the bulbs on a Christmas tree
McFly are set to turn on the lights on a thirty foot Christmas tree near Wembley Stadium.
The boys are doing the festive deed before they play at Wembley Arena on December 6- next Thursday.
If you want to see the McFly boys flicking a switch get down to the Square Of Fame at 5pm.
The band are currently on a Greatest Hits tour which calls at Birmingham, Cardiff, Bournemouth and Manchester and Sheffield in the next week.
MTV is giving away tickets to every show. Enter here