Britney Spears last month declared Las Vegas is her town during her arrival ceremony at Planet Hollywood Resort & Casino.
It was certainly true on Friday night as the pop star began her Las Vegas residency, joining Strip headliners like Celine Dion, Shania Twain and Elton John.
Opening night for Piece of Me was a star-studded affair, Spears supported by Katy Perry and Miley Cyrus, who appeared on the red carpet and attended the show.
Cyrus is set to appear at the grand opening of Beacher's Madhouse at MGM Grand while Perry is in town for a private New Year's Eve performance.
FOX5 was told tickets for Spears' show are selling so well that seats are now available through the fall of 2014.
Spears will perform 50 shows in 2014 and 50 more in 2015. She released her eighth album, Britney Jean, earlier this month.
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