Having lived in New York on and off since she was a child, Britney Spears in no stranger to the many sights the Big Apple has to offer.But since arriving in Manhattan for her Circus tour on Sunday, the singer has been hitting the tourist trail with aplomb.

Last night the 27-year-old brought sons Jayden James, two, and Sean Preston, three, to see Shrek: The Musical - their second Broadway show this week.