Actress Olivia Wilde and Jason Sudeikis have welcomed their son and have named him Otis Alexander Sudeikis.

Wilde gave birth to the baby Wednesday, reports contactmusic.com.

The `Drinking Buddies` star and her fiance welcomed their first child into the world less than two weeks earlier than scheduled. She had earlier said she was due May 4.

Wilde announced the happy news on her Twitter page.

"Ladies and gentlemen, Otis Alexander Sudeikis has LEFT the building! (I'm the building)," she posted, and even shared a black and white image of herself cuddling the newborn wrapped in a blanket.