Britney: Live in Concert was the ninth concert tour by American entertainer Britney Spears. The tour marks Spears' first international concert tour in six years, the last being the Femme Fatale Tour in 2011. The tour largely mirrors her Britney: Piece of Me residency in Las Vegas.

Britney: Piece of Me was the first concert residency by American entertainer Britney Spears, performed at The AXIS auditorium located in the Planet Hollywood Resort & Casino in Las Vegas, Nevada. The show, which opened on December 27, 2013, was initially set for two years; it was well received by critics and also achieved huge commercial success. The residency won the best of Las Vegas award in 2015 and 2017. In 2015, Spears extended her contract with Planet Hollywood for an additional two years, concluding the residency on December 31, 2017. After close to 146 performances, the show grossed $138 million from 900,000 tickets at an average price of $150.