Olivia Wilde is expecting a boy on May 4 with fiancé Jason Sudeikis.
Olivia 29, who is six months pregnant with her first child with fiancé Jason Sudeikis let the tot's gender slip as she revealed he is extremely during their attendence at 71st Annual Golden Globes on Sunday (12.01.14).
She said: "He was kicking the whole time, going, 'Where are we?!'"
Olovia had covered her bump in a sparkling Valentino gown for the ceremony as she embraces her pregnancy curves.
She said: "It's great I've never had boobs before!"
And the 'In Time' star admitted she is glad her bump is becoming more prominent.
"Until about a week ago, I just looked fat! I wanted to be like, 'I'm not fat, I'm pregnant!' "
While Olivia loved the green gown she donned for the awards, not everyone was a fan.
She tweeted: "I just heard someone say I looked like a giant, walking pickle last night at the Globes. As a pickle enthusiast, I thank you."
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