#20 The A Team-Ed Sheeran

(Photo by Samir Hussein/Getty Images)

#19 Dark Side-Kelly Clarkson

(Photo by Kevin Winter/Getty Images)

#18 Boyfriend-Justin Bieber

(Photo/Getty Images)

#17 The Fighter-Gym Class Heroes Featuring Ryan Tedder

(Photo/Getty Images)

#16 We Are Young-Fun.

(Photo courtesy of Roadrunner Records)

#15 I Won't Give Up-Jason Mraz

(Photo by Charles Eshelman/Getty Images)

#14 Everybody Talks-Neon Trees

(Photo by Cindy Ord/Getty Images)

#13 Somebody That I Used To Know-Gotye

(Photo/Getty Images)

#12 Wide Awake-Katy Perry

(Photo by Kevin Winter/Getty Images)

#11 Glad You Came-The Wanted

Photo/ Christopher Polk, Getty Images

#10 Where Have You Been-Rihanna

(Photo/Getty Images)

#9 Give Your Heart A Break-Demi Lovato

(Photo credit should read PABLO PORCIUNCULA/AFP/GettyImages)

#8 Too Close-Alex Clare

(Photo courtesy of Universal Republic Records)

#7 Wild Ones-Flo Rida Featuring Sia

(Photo by J. Dennis/Einstein/NBAE via Getty Images)

#6 Scream-Usher

(Photo/Getty Images)

#5 What Makes You Beautiful-One Direction

(Photo credit should read Marty Melville/AFP/Getty Images)

#4 Broken Hearted-Karmin

(Photo/Getty Images)

#3 Starships-Nicki Minaj

(Photo by Dimitrios Kambouris/Getty Images)

#2 Call Me Maybe-Carly Rae Jepsen

(Photo/Getty Images)

#1 Payphone-Maroon 5 Featuring Wiz Khalifa

(Photo by Michael Loccisano/Getty Images)