Hollywood's newest dads and dads-to-be!

UPDATE: It's a boy!

Actor Josh Duhamel and his wife, Black Eyed Peas singer Fergie, are having a baby!

Fergie announced the news on Twitter. "Josh & Me & BABY makes three!!!" she Tweeted, along with a sweet photoshopped pic of herself (holding a cute kitty) and Josh when they were little.

This is the first child for Fergie, 37, and Josh, 40, who tied the knot in January 2009.

This is a big year for Josh, who is now not only expecting a baby, but he's also promoting BIG TIME his latest movie, Safe Haven, with Julianne Hough.

UPDATE: It's a boy!

Funny guy Vince Vaughn, 43, and his wife, Canadian real estate agent Kyla Weber, are expecting their second child this summer.

Vince shared the big news on The Ellen DeGeneres Show. “This is the first time I’ve said anything,” he said. “We’re very excited . . . . [Kyla's due] August 5th.”

Vince and Kyla also have a 2.5-year-old daughter, Locklyn.

Read more: Celebrity baby announcements>

UPDATE: It's a girl!

Grammy award-winning rapper Kanye West, 35, and his reality TV-star girlfriend, Kim Kardashian, 32, are expecting their first child.

Kanye announced the big news at his Revel in Atlantic City concert (December 30). "Stop the music for a second. Stop the music," he told the audience. "Can we make noise for my baby mama right quick?" (Here's a clip of it.)

Kanye went on, according to the Associated Press, to call the pregnancy the "most amazing thing."

UPDATE: It's a boy!

Michael Bublé is going to be a dad!

The 37-year-old Canadian singer and his wife, Argentine model/actress Luisana Lopilato, are expecting their first child.

They announced the news by posting a sweet video on Luisana's website. Check it out!

It's a boy!

Matthew McConaughey, 42, and his wife, Brazilian model Camila Alves, 30, recently welcomed their third child — a boy, whom they named Livingston Alves McConaughey, likely after Matthew and Camila's charity, Just Keep Living.

Livingston was born December 28 and joins big brother Levi (left), 4, and Vida, 3.

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