Perez Hilton — Amazing! Eminem was performing at the Staples Center in El Lay last night and special guests Rihanna and Travis Barker both joined him onstage for their collaboration Love The Way You Lie. LOVES it! more info

VH1 News — Travie McCoy is joining Rihanna and Ke$ha on the Last Girl on Earth summer tour kicking off on July 2 in Auburn, Washington. more info

MTV.com News — Gym Class Heroes frontman hits the road with the ladies for tour kicking off July 2.By Mawuse Ziegbe Travie McCoy Gym Class Heroes' Travie McCoy will hit the road with pop princesses Rihanna and Ke$ha on this summer's Last Girl on Earth Tour... more info

MTV.com News — Rapper headlined Activision concert that included Usher, Will.I.Am, Jane's Addiction and others.By Matt Elias Eminem performs at E3 on Monday Photo: Chris Weeks/ Getty Images LOS ANGELES — Eminem performed an electrifying set at Activisio... more info

VH1 News — Eminem surprised L.A.'s Activision E3 Party audience with special guests Rihanna and Travis Barker. more info

Perez Hilton — We doubt this will help the poor ticket sales, but… Gym Class Heroes frontman and Katy Perry's jilted former boytoy Travis McCoy has been invited to replace Nicki Minaj supporting Rihanna on the road with the Swamp Thing otherwise known as Ke$ha fo... more info

MTV.com News — 'I told him I look up to him a lot for going for his dream,' one fan says after meeting Drake.By Mawuse Ziegbe Drake Photo: Frank Micelotta/ Getty Images NEW YORK — Drake's highly anticipated debut, Thank Me Later, is finally available ... more info

Pop Crunch — Katy Perry’s former flame may just be one of the luckiest man on the Planet; he’s signed up to spend the summer with pop hotties Ke$ha and Rihanna. Gym Class Heroes frontman Travis McCoy will replace femcee Nicki Minaj on the Barbadian songstress... more info

MTV.com News — The superstar French DJ/ producer tells MTV News he and the pop diva have discussed a collaboration.By Jocelyn Vena, with additional reporting by Matt Elias and Akshay Bhansali Rihanna Photo: Frank Micelotta/ Getty Images When Rihanna relea... more info

ContactMusic — KATY PERRY's ex-boyfriend has signed up to spend the summer with KE$HA and RIHANNA.Travis MCCoy will replace Nicki Minaj on the two stars' Last Girl on Earth tour,... more info