The social media countdown is over. Ariana Grande and Iggy Azalea have dropped their jazzy collaboration "Problem" and it is exactly just that. After debuting the single at the 2014 Disney Music Awards in a sexy performance, the pop darling taps the Aussie blonde bombshell for a resolution. "I got 99 problems but you won't be one," raps Iggy Igg. Tap your foot and troubleshoot with the new tune below.