This week in celebrity baby news: NBC Late Night host Jimmy Fallon revealed that he and wife Nancy's newborn baby Winnie Rose was delivered via surrogate. He made the announcement during a clip from a longer interview conducted by Savannah Guthrie, which will air in full next week. Fallon will likely have a lot to talk about, seeing as he'll be taking over The Tonight Show from Jay Leno next February.

In other New Dad news, Vince Vaughn and his wife of three years, Kyla welcomed their second child and first son, Vernon, this past Wednesday.

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[via TVGuide]