This week's top 20 music videos

1.  Jennifer Lopez-On The Floor
2.   Bruno Mars-The Lazy Song
3.   Taylor Swift-The Story Of Us
4.   Andy Grammer-Keep Your Head Up
5.   The Civil Wars-Barton Hollow
6.   Adele-Rolling in the Deep
7.   Train-Save Me San Francisco
8.   Christina Perri-Arms
9.   Britney Spears-Till the World Ends
10.   Jason Derulo-Don't Wanna Go Home
11.   Foo Fighters-Walk
12.   OneRepublic-Good Life
13.   Linkin Park-Iridescent
14.   Steven Tyler-(It) Feels So Good
15.   Katy Perry-Last Friday Night (T.G.I.F.)
16.   Pitbull-Give Me Everything
17.   David Cook-The Last Goodbye
18.   Raphael Saadiq-Stone Rollin
19.   Beyoncé-Run The World (Girls)
20.   Kings Of Leon-Back Down  South