Rock in Rio USA, las bandas
LAS VEGAS, NV - MAY 08: Musician Gwen Stefani of No Doubt performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: Musician Gwen Stefani of No Doubt performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: DJ/producer AN21 performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: Musician Mark Foster of Foster the People performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Mark Davis/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Mark Davis / Getty Images)
LAS VEGAS, NV - MAY 08: Musicians Mark Foster (L) and Cubbie Fink of Foster the People perform onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Mark Davis/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Mark Davis / Getty Images)
LAS VEGAS, NV - MAY 08: Musician Gwen Stefani of No Doubt performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: Musician Gwen Stefani of No Doubt performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: Musician Gwen Stefani of No Doubt performs onstage during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
LAS VEGAS, NV - MAY 08: Festival goers enjoy musical performances during Rock In Rio USA at the MGM Resorts Festival Grounds on May 8, 2015 in Las Vegas, Nevada. (Photo by Christopher Polk/Getty Images) ** OUTS - ELSENT, FPG - OUTS * NM, PH, VA if sourced by CT, LA or MoD ** (Christopher Polk / Getty Images)
Music fans take photos and cheer as the band Foster the People performs on the opening day of the 4-day, double weekend
Mark Foster, lead singer for the band Foster the People, performs on the opening day of the 4-day, double weekend