I'm strictly talking upbeat songs of these two years.

What songs would you happily workout to and pump you up?

Judas
Telephone
On The Floor
Rude Boy
S&M
Blow
Super Bass
Party Rock Anthem
My First Kiss

Free (without will.i.am)

Here's my workout playlist.

I Like It
California Gurls
In For The Kill
Last Friday Night
Get Outta My Way
Cry For You (September)
Two More Lonely People (Miley)
Bulletproof
Judas
When Love Takes Over
Schiesse (THE BEST WORKOUT SONG EVER)
Who's That Chick?
S&M
Americano
Lost Control (The Saturdays)
Animal
Born This Way
The Edge of Glory