DJ Earworm is back and better than ever. Check out his latest mash-up below called “United State of Pop 2011 (World Go Boom)“!

The song mix includes everything from Adele‘s “Rolling In The Deep” and Foster the People‘s “Pumped Up Kicks” to Katy Perry‘s “Firework” and Lady Gaga‘s “Born This Way”.

And of course they had to include two of the year’s biggest smashes: LMFAO‘s “Party Rock Anthem” and Rihanna‘s “We Found Love”. Check out the vid below!

Click inside for the full list of songs used in the mash-up…

“DJ Earworm: United States of Pop 2011 (World Go Boom)” Song List

- Adele – Rolling In The Deep
- Adele – Someone Like You
- Black Eyed Peas – Just Can’t Get Enough
- Bruno Mars – Grenade
- Bruno Mars – The Lazy Song
- Britney Spears – Till The World Ends
- Cee Lo Green – F* You
- Enrique Iglesias – Tonight (I’m Lovin’ You)
- Foster the People – Pumped Up Kicks
- Jennifer Lopez – On The Floor
- Jeremih feat. 50 Cent – Down On Me
- Katy Perry – Firework
- Katy Perry – E.T.
- Katy Perry – Last Friday Night (T.G.I.F.)
- Lady Gaga – Born This Way
- LMFAO – Party Rock Anthem
- LMFAO – Sexy and I Know It
- Lupe Fiasco – The Show Goes On
- Maroon 5 – Moves Like Jagger
- Nicki Minaj – Super Bass
- OneRepublic – Good Life
- Pink – Raise Your Glass
- Pitbull – Give Me Everything
- Rihanna – S&M
- Rihanna – We Found Love

The iHeartRadio Music Festival lineup has been announced!

Ryan Seacrest will host the two-day music event, which will mark the biggest live concert festival in radio history.

Confirmed for the event, taking place Sept. 23 and 24 at the MGM Grand in Las Vegas: Lady Gaga, Coldplay, Alicia Keys, Steven Tyler, The Black Eyed Peas, Kenny Chesney, Jennifer Lopez, Carrie Underwood, Jane’s Addiction, Nicki Minaj, John Mayer, David Guetta, Rascal Flatts, Bruno Mars, Kelly Clarkson, Sublime with Rome and special performances from Usher and Sting!

For info on how to purchase tickets, check out iHeartRadio’s Facebook page. If you can’t attend, live audio and video streams will be available online, via mobile devices at www.iHeartRadio.com and across all of Clear Channel’s radio station websites.

Check out J. Lo making the announcement on the Today show!

Lady Gaga leads the pack of nominees for MTV’s inaugural O Music Awards!

The 25-year-old pop star scored three nominations along with Odd Future’s Tyler the Creator, followed by Kanye West and Nicki Minaj with two.

OMA, an online award show, features different categories that honor artists, innovators, fans, web celebrities, and tech gurus who’ve impacted the digital music world.

“This is an exciting music event that’s by and for the fans. We’re not sure what’s going to happen but we know that it’s going to be fun and true to all the innovations happening in digital,” Shannon Connolly, MTV Music Group’s VP of Digital Music Strategy, tells JustJared.com.

“[It'll be a] convergence of programmers, hackers, artists, web celebrities, and all of the people that are contributing to this real renaissance of music and creativity that we’re going through,” she adds. “We’re really stoked to be bringing this to a wider audience and putting the spotlight on what we think is a really unique moment.”

Voting begins TODAY at OMusicAwards.com and the show will be held on MTV.com, VH1.com, and LogoTV.com.

For more on the nominees, check out the award show’s website and you can also follow it on Twitter @MTVOMA!