Taylor Swift - I Knew You Were Trouble (Live on American Music Awards) HD

Taylor Swift performs 'I Knew You Were Trouble' on American Music Awards, HD - Live Performance All AMAs and BBMAs performances are here:    • AMAs and BBMAs Live Performances   AMAs Live Performances - Jessie J, Ariana Grande, Nicki Minaj - Bang Bang (Live on American Music Awards):    • Jessie J, Ariana Grande, Nicki Minaj ...   Taylor Swift - Blank Space (Live on American Music Awards):    • Taylor Swift - Blank Space (Live on A...   Nicki Minaj & Skylar Grey - Bed Of Lies (Live on American Music Awards):    • Nicki Minaj & Skylar Grey - Bed Of Li...   Ariana Grande & The Weeknd - Problem/Break Free/Love Me Harder (Live on American Music Awards):    • Ariana Grande & The Weeknd - Problem/...   #TaylorSwift #IKnewYouWereTrouble #AMAs #TaylorSwiftLive