Celebrity Baby Boom

Ethan Hawke and Ryan Shawhughes
It's a Girl! | July 18
The 'Training Day' actor, who met Shawhughes when she was the nanny to his two children with then-wife Uma Thurman, named his daughter Clementine.

Hector Vallenilla / pacificcoastnews.com

Matthew McConaughey and Camila Alves reveal baby Levi on the cover of OK! McConaughey says "I had tears of joy and was not shocked or surprised, just overwhelmed" about the birth of his son.

OK!

Rebecca Romijn and Jerry O'Connell
Trying Hard
The 'Ugly Betty' actress and currently starring-in-nothing actor say they're "trying to get pregnant," and that it "would be amazing if it happened," according to O'Connell.

Getty Images

Angelina Jolie and Brad Pitt
It's Twins! | July 12
Jolie only admitted she was pregnant with twins after Jack Black outed her secret while the pair was doing press for 'Kung-Fu Panda.'

Matt Sayles, AP

Isaac and Nikki Hanson
It's a Boy! | July 1
The Hanson brother and his wife named their second child James Monroe.

Alexandra Wyman, WireImage.com

Matthew McConaughey and Camila Alves
It's a Boy! | July 7
The 'Fool's Gold' actor and his model girlfriend become first-time parents with the birth of their new son. In January, McConaughey said he and Alves were "stoked and wowed by this miracle of creation."

Evan Agostini, AP

Nicole Kidman and Keith Urban
It's a Girl!
The star couple welcomed their first child, a girl born July 7 in Nashville. Kidman also has two adopted children with ex-husband Tom Cruise.

Dave Hogan, Getty Images

Naomi Watts and Liev Schreiber
Expecting
Naomi, seen here in 2007 when pregnant with her first child, is said to be in her second trimester.

Kevin Mazur, WireImage.com

Paris Bennett
Expecting
The 19-year-old 'American Idol' contestant, who finished fifth on season 5, is pregant with her first child.

Rick Diamond, WireImage.com

Amy Jo Johnson and Oliver Giner
Expecting
The actress, best known from her days on 'Felicity' and as the original Pink Ranger, is expecting her first child in late fall.

John Sciulli, WireImage.com