Britney Spears' body is back to it's best - and so are her sexy dance routines.

Newly-released pictures of the pop princess in a rehearsal studio show Brit working up a sweat as she perfects her dance moves with her team.

And it looks like the singer is not toning down her raunchy routines.

Wearing knee-high boots whilst dancing with a cane, Britney looks hotter than ever.

The Womanizer star is preparing for a comeback tour to follow her hotly anticipated album Circus, which is released December 2 - Brit's 27th birthday!

See Britney choreographing her heart out below