Pop trio Sugababes joined ‘X Factor’ contestants and ‘Gossip Girl’ star Chace Crawford along London’s famous Oxford Street for the big Christmas light switch-on. “It will be funny when we come here shopping after today and we look at the lights and go, ‘Oh, we switched them on’,” Heidi Range told ITN. “It’s almost like the start of Christmas for us, so it’s really good.” Watch the clip below.