Hartnett and his British model/actress girlfriend, Tamsin Egerton, met on set in 2011 and have been dating for about four years now. Egerton, 26, has appeared in films such as Love, Rosie and Keeping Mum. She will also be starring in Grimsby with actors Sacha Baron Cohen, Rebel Wilson, Penelope Cruz and Isla Fisher.
The news of the pregnancy was recently confirmed by a rep for the actor. The rep also said that the couple are thrilled about the pregnancy.
As of now there is no word on how far along Egerton is or when the baby is due, as well as what the sex of the baby is.
Hartnett has starred or appeared in dozens of films, including 40 Days and 40 Nights, Black Hawk Down, The Neighbor, Pearl Harbor and Blow Dry to name just a few.
According to IMDb, Egerton was bullied in school and that she was truanted and preferred to attend modelling shoots. She finished school with A-grade GCSEs and she pursued a career in acting.
Egerton has appeared in a number of movies and TV series, including Grand Piano, The List and Queen And Country.
