The popstar's 'Piece Of Me' Planet Hollywood residency was billed as "a high-energy concert with a pulsating, nightclub feel".
Wow… perfect audience for the 1st #PieceOfMe show! That was AMAZING! I pic.twitter.com/7w0mGIH3BJ
— Britney Spears (@britneyspears) December 28, 2013
After the show, Spears took to Twitter to share her love for the night and to thank her audience, sending special thanks to Cyrus and Perry for making her opening night.
The 'Work Bitch' singer told Cyrus: " Love you so much! Thank you for coming to #PieceOfMe! I adore you :)"
She later added to Perry: "Was SOOOO good to see you again girl! Glad we could make our Vegas date happen :)"
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A video of Cyrus dancing along in the front row of the crowd soon appeared online:
Spears also showed fans on her Facebook page the "beautiful" flowers she had been sent by fellow Vegas performer Celine Dion.
The former X Factor USA judge is slated for a two-year stint at Planet Hollywood, with the possibility of an extension also on the cards.
