Choreography: Tony TestaAssistant Choreographer: Nikki Trow
Taylor Swift performs "I Knew You Were Trouble" at the 2012 ARIA Awards in Sydney, Australia.
Kaylie is seen in the two-hour documentary, titled "I am Britney Jean', as E! goes behind the scenes in the preparation leading up to Britney Spears' "Piece Of Me" Las Vegas Residency.