Mashups!

I stumbled upon this site earlier today and found a site full of mashups!  Here are some of my favorites (out of what I saw immediately)

I love this one so much!
Katy Perry vs. 30 Seconds to Mars - Not Like a Queen (Sergio's Mashups) by Mixes and Mashups #21



The Beatles, Jackson Five vs Green Day - Hey Jude, I'll be there (Mashup-Germany) by Mixes and Mashups #1

Beyonce Vs Paramore - Brick Halo (Rock Dance Mix) DJ Schmolli by Mixes and Mashups #1

Black Eyed Peas Vs La Roux - bulletproof _I Gotta Feeling (House Dance Mix) DJ Divide & Kreate by Mixes and Mashups #1