The pop star poses for the cover of the January issue of ELLEmagazine.
The article features her two sons with ex-hubby Kevin Federline, Sean Preston, 4, and Jayden James, 3.
In her real life, things are going swimmingly for the singer, she recently wrapped the Australian leg of her Circus tour.
Cheers to a successsful 2010!
See two more photos from the magazine after the jump!