ABC News January 12, 2014

Olivia Wilde Reveals The Sex of Her Baby with Jason Sudeikis

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Actress Olivia Wilde attends the 71st Annual Golden Globe Awards held at The Beverly Hilton Hotel on Jan. 12, 2014 in Beverly Hills, Calif.

Olivia Wilde has always been candid about things, and pregnancy is no different.

According to People.com, when Ryan Seacrest complimented her Gucci gown at the Golden Globes, she revealed the real reason she loves being an expectant mom.

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"It's great -- I've never had boobs before," the actress, 29, said.

Wilde and her fiancé, actor Jason Sudeikis, announced last fall that they were expecting a baby, but the "Rush" actress has a clever way to remember her due date.

"May the fourth be with you," she told Seacrest.

However, though the actress has always played coy in the past when asked about the baby's sex, last night she revealed that she and Sudeikis are expecting a boy.

"He was kicking the whole time, going, 'Where are we?!'" she said.