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The girls are taking over Samantha Harris' house!

The 37-year-old Entertainment Tonight correspondent welcomed daughter Hillary Madison at 11:04 p.m. Wednesday. Weighing in at 7 pounds, 11 ounces, the newborn measured 20.5 inches long.

"It's a girl!" the former Dancing With the Stars co-host tells ET. "[My three-year-old] daughter Jossie has a little sister now!"

Both mom and baby are said to be doing well. "It didn't hurt me a bit!" joked her husband Michael Hess.