Madonna to Join Britney Spears' Circus Tour

Madonna has more high-energy plans to give her career a shot in the arm after her divorce - and we're not talking about marathon romps with Alex Rodriguez.

According to the UK's Daily Mirror, the Queen of Pop will be performing with Britney Spears in the summer on some of the latter's global tour to promote Circus.

That's on top of several high-profile solo gigs Madonna has planned.

For now at least, bosses are keeping the dates in which she will appear with Britney Spears under wraps. A source said: "Choreographers have been asked to create an out-of-this-world dance routine for Britney and Madonna."

"When Britney Spears joined Madonna on stage for her recent Hard Candy tour, it was very sedate. This is going to be a much more high energy dance routine - they will be getting back to what they are both good at, performing."

We can only hope for more of this ...

Mmm. Wouldn't that be something? Anyway, here are more shots of the superstars "performing" together over the years. Click to enlarge...