Jessica Campshaw Pregnant'Grey's Anatomy' star Jessica Capshaw and her husband Christopher Gavigan are expecting their second child later this year, PEOPLE reports. Capshaw, 33, and Gavigan also have a two-and-a-half-year-old son, Luke.

"They are thrilled," says the actress's rep.

Capshaw, the daughter of actress Kate Capshaw and step-daughter of Steven Spielberg, has been a 'Grey's' cast member since last year; the actress plays Dr. Arizona Robbins on the hit ABC drama. Gavigan is the CEO of Healthy Child, Healthy World, a national non-profit.