Little Mix have stormed the US iTunes chart with their debut album. The girl group's first collection DNA has vaulted to number two on the digital store's best-selling list since going on sale earlier yesterday (May 28). The deluxe edition of the album is currently just behind ...Daft Punk's long-awaited Random Access Memories on the chart, while the standard version is at number 11. Little Mix released 'Wings' as their debut single in America earlier this year and have since seen the track being featured on high-profile TV shows American Idol and Glee. The four-piece are currently in New York promoting DNA and will perform as part of Good Morning America's summer concert series on June 7.