Laila Ali Laila Ali

Laila Ali gave birth to a baby girl on Monday morning, the former boxer tweeted.

"Sydney arrived on her due date at 3am," she wrote. "Everyone is happy and healthy."

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This is the second child for the 33-year-old Dancing with the Stars alum and daughter of Muhammad Ali. She has a 2-year-old son, Curtis Jr., with her husband, Curtis Conway.