 Other support acts included Julian Perretta, Girls Can't Catch and Absent Elk.In addition to their own dates, Girls Aloud and American rapper Jay Z were support acts for Coldplay's Viva la Vida Tour at Wembley Stadium on 18 September 2009.Girls Aloud start the show with their number one Brit Award-winning single "The Promise", "burst[ing] up out of the floor wearing long, spangly dresses which they whipped off to reveal short mini skirts."