PICTURES: Britney at Ritz-Carlton gym in Marina Del Ray | Britney in a record studio in Hollywood, Burbank

And Britney backs to Ritz-Carlton gym, in Marina Del Ray, to work her body with her personal trainer from Bally Total Fitness. The non-stoppable Britney, hits the gym at the same time, she's talking with her personal trainer.

:: Britney at Ritz-Carlton gym, in Marina Del Ray (23/07) ::

And After that, the pop princess hit a record studio in Hollywood, Burbank, wearing a pair of blue trousers, a pink tank top, a black and golden jacket and a blue handbag.

:: Britney in a record studio in Hollywood, Burbank (23/07) ::

Credits: UntouchableBritney