9.)Taylor Swift- "I Knew You Were Trouble" 8.)Maroon 5- "Daylight" 7.)Cher Lloyd- "Oath" 6.)Lumineers- "Ho Hey" 5.)Hunter Hayes- "Wanted" 4.)One Direction- "Little Things" 3.)Justin Bieber- "Beauty & A Beat" 2.)Bruno Mars- "Locke… more »