I found this really good mashup of Rihanna's 'Rude Boy' and Papa Roach's 'Last Resort'. Both songs are great on their own, but they are a totally different genre so I was surprised at how good it was.

I really like it. Do you guys know of any other great mashups?

And how do you like this one?

YouTube - Rihanna versus Papa Roach ''Rude Boy Resort''

Cheers!