Britney Spears is officially headed back to Sin City! The "Slumber Party" singer will launch her second Las Vegas concert residency ? called "Britney: Domination" ? in February 2019 at the Park Theater at Park MGM. The big announcement was made from Las Vegas' Toshiba Plaza and livestreamed on Ellen DeGeneres' YouTube channel, giving viewers a taste of the city's excitement for Brit's return. The stream featured a sea of eager Britney fans, a massive parade and ? for the big finale ? a dramatic entrance from the pop diva herself.