Actor Glenn Howerton is to become a first-time father - his wife is pregnant.

The Everything Must Go star and his partner, Jill Latiano, will welcome the child later this year.

Howerton announced the news on Twitter.com by posting a picture of the pair at the Cowboys & Aliens premiere in Los Angeles, alongside the words, "Check out my beautiful preggers (pregnant) wife, y'all."

The news comes just days after Howerton's It's Always Sunny in Philadelphia co-stars Charlie Day and Mary Elizabeth Ellis announced they will also be welcoming a child this year.