Britney Back @ The House of Blues

Britney Spears continues rehearsals on Thursday for her rumored three upcoming House of Blues performances next week (she supposedly will be be performing old and new material).

The pop princess was spotted walking out of Millennium Dance Studio with 19-month-old son Sean Preston, carried by her cousin, Allie. Son Jayden James, 7 months, was transported by a security officer in a baby carrier covered by blankets.

Brit Brit has a packed schedule coming up — she will be performing with a handful of back-up dancers under the alias “The M+M’s” at the House of Blues in San Diego on May 1st, House of Blues Anaheim on May 2nd, and House of Blues Sunset Strip on May 3rd.

Pick up your tickets now — be sure to record Brit‘s performances and share them here with the rest of us!