Jimmy Fallon welcomes his first child

UPDATE: “I’m the father of a beautiful baby girl. Her name is Winnie Rose Fallon and she’s so cute. She’s 5 lbs., 9 oz. Me and my wife are so happy,” Fallon announced in his Late Night intro Wednesday. “Thank you all for all the well-wishes on Facebook and Twitter and the blogs. I’m just so happy.”

Wow, who knew? It's a girl for Jimmy Fallon!

The 38-year-old host of Late Night and his wife, producer Nancy Juvonen Fallon, 46, welcomed their first child — a baby girl! — yesterday, Tuesday, July 23 at 6:21 a.m. People was the first to report it.

Read more: 40 and pregnant: Celebrities we love>

According to the couple's rep, the new parents are "overjoyed about the arrival of their beautiful daughter."

There's lots of buzz around Jimmy right now. In addition to being a new dad, he's getting ready to replace Jay Leno on The Tonight Show next year. He and Nancy, who co-runs Flower Films with Drew Barrymore, got married in 2007.

Off to update our Hollywood's newest dads and dads-to-be gallery. See you there!

Love! Haley-O Celebrity Candy: Follow along as Haley Overland delivers the latest scoop on celebrity families — plus sweet celeb interviews! You can’t have too much of this candy, so check back often.