DJ Earworm Drops ‘United State of Pop 2010′ (VIDEO)

It’s quickly become one of our favorite annual traditions: DJ Earworm’s incredible mash-ups of the year’s best pop tunes.

So, who made the cut this year? You can bet pop queen and Celebuzz Celebrity of the Year Katy Perry is featured heavily. Also making the grade were Ke$ha, Rihanna, Lady Gaga and a whole slew of the year’s biggest hit makers. Newcomers like Bruno Mars and Mike Posner even got a little Earworm love this time around.

Want to watch it? Check out the video below.