USE SOMEBODY & WAKING UP IN VEGAS

I cannot get these 2 songs & their videos outta my head! Love em'!

KINGS OF LEON-"USE SOMEBODY"
http://www.youtube.com/watch?v=JCZfJ5ai07U

KATY PERRY-"WAKING UP IN VEGAS"
http://www.youtube.com/watch?v=t7YFAP4myMw