Let's party like we're young again. Wait. We are young.

Some sick remixes:

http://www.youtube.com/watch?v=Fej8ROYKwXg&feature=related

http://www.youtube.com/watch?v=ktAc5GC2R6k&feature=related

http://www.youtube.com/watch?v=50HvCTN73S8&feature=related

Reggae:

http://www.youtube.com/watch?v=BrBpewHG-wI&feature=related

Fist pump:

http://www.youtube.com/watch?v=gjUBjnNKje0