Biography
"The Holidaze" is a Christmas supergroup featuring Alex Gaskarth (All Time Low), Ashton Irwin (5 Seconds of Summer), Joel Madden (Good Charlotte), Pierre Bouvier (Simple Plan), and John Feldmann (Goldfinger). They sang a cover of "Have Yourself A Merry Little Christmas" and partnered up with the Ryan Seacrest Foundation to raise money for charity.
Biography text from Last.fm, available under CC BY-SA.