Axwell^Ingrosso to perform at Billboard's 2015 Hot 100 Festival.

Axwell^Ingrosso to perform at Billboard's 2015 Hot 100 Festival.

When Billboard revealed the headliners of its inaugural Billboard Hot 100 Music Festival, one name was left blurred out on the poster. Well, today, we can officially reveal that dance megastars Axwell & Ingrosso are joining the Hot 100 fest as headliners, alongside The Weeknd, SkrillexNicki Minaj, Lil Wayne, and a very special performance by Justin Bieber.

Billboard Hot 100 Music Festival Lineup Revealed

You can check out the rest of the stacked lineup below. It's going to be a can't-miss weekend -- and pre-sale tickets are available now, right here.

The pre-sale is presented by MasterPass by MasterCard. Citi MasterCard cardmembers who use Citi Wallet connected to MasterPass will earn exclusive access before tickets become available to the public. Find more information and to sign up for Citi Wallet, head here. Tickets for the general public go on sale July 16 at 10 a.m. ET at www.livenation.com. Produced by Billboard in partnership with Live Nation, the Billboard Hot 100 Music Festival is presented by MasterCard, Sour Patch Kids, Nordstrom Rack and SinfulColors.