Laila Ali, husband Curtis Conway welcome second child

It's a girl for Laila Ali and husband Curtis Conway. The boxing champ and "Dancing with the Stars" alum welcomed her second child, a daughter named Sydney on April 2, 2011. "Sydney arrived on her due date at 3am!" Ali tweeted. "Everyone is happy and healthy." The couple, who married in 2007, are already parents to son Curtis Jr.
Dimitrios Kambouris/Getty Images
Laila Ali at the Heart Truth's Red Dress 2011 Fashion Show on Feb. 9, 2011, in New York. (Getty Images)

(CBS) - It's a girl for Laila Ali and husband Curtis Conway.

The boxing champ and "Dancing with the Stars" alum gave birth to her second child, a daughter named Sydney on Monday.

Pictures: Celebrity babies
Pictures: Laila Ali

"I had my baby girl this morning!" Ali tweeted. "Sydney arrived on her due date at 3am! Everyone is happy and healthy."

The couple, who married in 2007, are already parents to 2-year-old son Curtis Jr.