‘Felicity’ Keri Russell having baby with The Americans co-star Matthew Rhys

FORMER Felicity star Keri Russell is reportedly having a baby with her The Americans co-star Matthew Rhys, who also starred in Brothers and Sisters.

FILE Actors Keri Russell And Matthew Rhys Expecting A Baby NEW YORK, NY - OCTOBER 04: Keri Russell and Matthew Rhys attend "The Americans" panel during 2013 PaleyFest: Made In New York at The Paley Center for Media on October 4, 2013 in New York City. (Photo by Jamie McCarthy/Getty Images)

FORMER Felcity star Keri Russell is reportedly having a baby with her The Americans co-star Matthew Rhys, who also starred in Brothers and Sisters.

Us Weekly reports that Russell, 39, is more than four months along.

First husband ... Keri Russell and Shane Deary in happier times. Picture: Splash

The actress has a son River, eight, and daughter Willa, four, from her previous marriage to Shane Deary.

However the pair split in 2013 when Russell started work on The Americans.

“The separation is amicable and their focus is on their children,” a statement for the couple said at the time.

She started dating co-star Matthew Rhys not long afterwards.

Together ... Keri Russell And Matthew Rhys are expecting a baby. Picture: Getty

Rhys is better known to audiences as Kevin Walker on the Rachel Griffiths show Brothers and Sisters, a character he played for five years.

Russell of course is best known as Felcity Porter, everyone’s favourite university student.

Breakout ... Matthew Rhys, right, got his big break playing gay man Kevin Walker alongside Calista Flockhart, Rob Lowe, Rachel Griffiths, Dave Annable, Emily VanCamp, Luke Macfarlane and Sally Field in Brothers and Sisters. Picture: Supplied

“It’s so exciting for them!” a source close to Rhys told Us Weekly.

“Matthew is really in love. They feel they should have always been together.”

Big break ... Keri Russell is best known for her role in Felicity. Picture: Supplied

Originally published as ‘Felicity’ Keri Russell having baby with The Americans co-star Matthew Rhys