Lady Gaga, LMFAO Added to Z100 Jingle Ball
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Lady Gaga and LMFAO have been added to New York radio station Z100's Jingle Ball, the annual holiday blowout held on Dec. 9 celebrating the biggest and brightest in pop music, it was revealed Friday.

Demi Lovato, who will also perform, was on hand in Times Square to help the station make the official announcement. Tickets go on sale for ZVIP members starting on Nov. 1 at 4 p.m. Become a VIP at Z100's website. An open sale for all remaining tickets begins Nov. 2.

Also on the bill to perform at Madison Square Garden is Pitbull, Kelly Clarkson, David Guetta, Foster the People, Hot Chelle Rae and Gym Class Heroes. Guest hosts appearing throughout the night include Kim and Khloe Kardashian, Lamar Odom and Karmin.

This year's Ball is being presented by retailer Aeropostale and will air on the Fuse TV network on Dec. 18.