It was all about kicking off the festive season in dazzling sparkling gowns at the American Music Awards last night, with Hayden leading the way in a short 1920s inspired pearl shimmery number.The 22-year-old Nashville star brought in the flapper trend with subtle ease to the bash, adding a golden clutch back and open-toe pearl metallic heels to complete her look, accessorising with Jacqueline Nerguizian jewels and her hair worn in a loose updo.Other celebrities that attended included Taylor, Swift, Heidi Klum, Elisha Cuthbert and Ginnifer Goodwin.