Britney Spears (search) and hubby Kevin Federline's (search) new reality series now has a title: "Britney and Kevin: Chaotic." (search)

Featuring what UPN bills as "exclusive, never-before-seen private home videos they shot themselves during their courtship, engagement and wedding," the six-episode series will premiere with a special one-hour episode May 17 (9 p.m. ET). A video clip is available on UPN's Web site.

Spears, 23, announced last month that she is pregnant with the couple's first child. Spears and Federline were married in September.