Left photo by: Andrew Gresham / Fashion Wire Daily                                                        

Mary Lynn Rajskub, recently spoke with PEOPLE and revealed that she was pregnant .

Rajskub, 36, and her live-in boyfriend Matthew Rolph, 27, a personal trainer, are expecting their first child at the end of the summer.

"With the strike going on, I had to keep busy!" Rajskub joked. "We are thrilled and couldn't be more excited."

Rajskub recently attended the Sundance Film Festival promoting "Sunshine Cleaning", in which she costars opposite Amy Adams and Emily Blunt. On Friday, Rajskub will make an appearance walking in the Red Dress Fashion Show to benefit The Heart Truth in New York.