Bright n' early this morning Britney Spears continued her "comeback kid" routine with an appearance on Good Morning America. Not only is today her 27th birthday, but it's also the release of her 6th album, titled Circus. As part of the promotional package, on Sunday MTV aired a no-holds-barred infomercialdocumentary about the singer, where even Madonna made a cameo to talk up the pop starlet's new lease on life. Here she is performing on GMA at the Big Apple Circus, y'all:

If you want to check out a Brit-less Big Apple Circus, their new show is running through January 19th; The NY Times editorial just called it an "intimate, single-ring extravaganza."