Lauren Sanchez and Patrick Whitesell Welcome a Girl

Tuesday January 15, 2008 04:20 PM EST

Sanchez and Whitesell

Jeff Kravitz/Filmmagic

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Lauren Sanchez, the host of the inaugural season of FOX's So You Think You Can Dance, gave birth to a daughter on Tuesday, PEOPLE has confirmed.

The baby girl is named Eleanor Patricia Whitesell ("Ella"), after Sanchez's mother and mother-in-law, her brother, Michael Sanchez, tells PEOPLE.

"Mother and daughter are doing well," according to Michael.

Sanchez, 38, and her agent husband, Patrick Whitesell, also have a son, Evan, who was born in 2006.
– By Karen Salkin