Britney Spears took her boys Sean Preston and Jayden James for a pedicab ride in New York's Central Park yesterday.

After spending some quality time with her sons from her marraige to Kevin Federline - who is also in town with girlfriend Victoria Prince - it was back to work as her Circus Tour took over Madison Square Garden.

Mummy by day: Britney and her boys enjoying a pedicab ride around Central Park

In the first of three shows at the outdoor venue, the singer wowed an enthusiastic crowd with her energetic dance routines and numorous costume changes.

Pop princess by night: Britney performing at Madison Square Gardens the same evening

Earlier in the day, she had been spotted around the city handing out tickets to the gig.

Surely, ticket sales aren't that slow?

Brit's Circus at London's o2 Arena