10/15/2008 AT 09:00 AM EDT
Baby, one more time!
will hit the road for a string of tour dates next spring, the trade journal Billboard
The 2009 shows will be her major tour since 2004 – and her subsequent downward spiral
The tour – which will include dates in the U.S. and abroad – is expected to include material from Circus
, out Dec. 2. (That's Spears' 27th birthday.) She has already released a sexy video
for "Womanizer," the first single off her new album. – Caris DavisRELATED ARTICLE:
2004: Brit cancels 'Toxic' tour! RELATED GALLERY:
2000: Brit causes a stir with her sexy young image!