The 2012 Rock Vegas fest already boasts a massive lineup that includes headliners Rob Zombie, Marilyn Manson, Shinedown and Godsmack. Now, the two-day event, which takes place Sept. 28 and 29 at Mandalay Bay Resort in Las Vegas, just got a little more rockin’ as a few more big names have been added to the bill.

Hellyeah have stepped in for Papa Roach, who had to drop out of the festival because of frontman Jacoby Shaddix’s vocal surgery. A solo performance by Slipknot / Stone Sour frontman Corey Taylor has also been announced, as well as a sets by Chris Jericho’s band Fozzy and newcomers Mindset Evolution.

In addition to main stage performances inside the Mandalay Bay Events Center,  Rock Vegas will also include the Bud Light Festival Grounds with band performances on the Jägermeister Stage. These festival grounds and vendor village will feature band autograph signings, free samples from Rockstar Energy Drink, and more. The Bud Light Festival Grounds will open at 1pm on Friday and Saturday.

Tickets for Rock Vegas are $39 each, plus fees. VIP packages are also available for purchase. To buy tickets, make hotel reservations, and for all Rock Vegad info, visit www.RockVegasFest.com.

Rock Vegas Lineup:
Friday, September 28

Shinedown
Godsmack
Staind
Hellyeah
Adelitas Way
P.O.D.
Fozzy
Redlight King
Deuce
Mindset Evolution

Saturday, September 29

Rob Zombie
Marilyn Manson
Buckcherry
Corey Taylor
All That Remains
Art of Dying
New Medicine
Otherwise