It's an celebration! As Katy Perry gear up to bring her 'Prismatic World Tour' to the U.S., she will have a "Birthday" party at the 2014 Billboard Music Awards. The pop star will give the world premiere TV performance of her new song "Birthday" at the May 18th BBMAs in Las Vegas.

Perry, who is an three-time BBMA winner and a finalist in 10 categories this year, will perform via satellite from her "Prismatic World Tour." "Birthday," from Katy's fourth studio album "Prism" which is shaping into another huge hit and it's currently in the top 15 on the Billboard Pop Songs Chart. Her "Prismatic World Tour" will rack-up a total of 107 dates this years, with more planned for 2015.

The American singer joins a glittering line-up of BBMA performers including the preciously-announced 5 Seconds of Summer, Florida Georgia Line, Imagine Dragons, Jason Derulo, Jennifer Lopez, John Legend, Lorde, Luke Bryan, Miley Cryus, Miranda Lambert and Carrie Underwood, OneRepublic, Pitbull and Ricky Martin.

The BBMAs will be broadcast live from the MGM Grand Garden Arena on ABC from 8 p.m. ET. Yahoo will be streaming this year's red carpet show. For additional information on the 2014 Billboard Music Awards, you can visit billboardmusicawards.com or the Billboard hub at billboard.com/bbma.