9.)Imagine Dragons- "It's Time" 8.)Olly Murs- "Troublemaker" 7.)Bruno Mars- "When I Was Your Man" 6.)Swedish House Mafia- "Don't You Worry Child" 5.)Will I Am/Britney Spears- "Scream & Shout" 4.)Kesha- "C'mon" 3.)The Script- "Hall o… more »