The Toxic singer was expected to take the stage with her band The M + Ms at posh Los Angeles club Forty Deuce, but failed to show.

On the club’s website, boss Ivan Kane says,

“She came on stage during rehearsals, looking very hot, with four back-up dancers and sang three songs. “They ran through the set several times, the choreography was smokin’, and she sounded great.”

Britney reportedly decided that she needed more time to rehearse for her comeback performance. A number of “secret shows” are lined up for next week in Los Angeles.