Britney Spears (search) is enjoying her pregnancy. Spears, who announced her pregnancy last month, said she and husband Kevin Federline (search) "ate at some amazing restaurants in Scottsdale" during a "peaceful and relaxing" two-week vacation in Arizona.

"Eating for two is so much fun; I get to eat lots and lots!" the 23-year-old singer says in a posting on her Web site.

She also plugs the couple's new reality series, "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 May 17 (9 p.m. ET).

"Doing a documentary series seemed like the last thing I would do," Spears writes. "... And putting ourselves out there seemed crazy, but that is exactly when I realized I should do it. The craziest things I've ever done have always been for the best."

The pop star said she didn't do the series for her career.

"So much happened last year much too fast and I really wanted to take advantage of this opportunity to reflect on all of it. It's like my own therapy. I hope you guys enjoy our little project! We are having so much fun putting it all together."

Spears and Federline were married in September.