Grey’s Anatomy star Jessica Capshaw is pregnant with her third child!  The 35 year old mom of two just announced via Tweet that there will be another “Gavigan Baby” joining big siblings Luke and Eve and husband Christopher Gavigan.  Capshaw is the daughter of actress and producer Kate Capshaw and marketer/principal Robert Capshaw.  The mom of three to be is also the step daughter of legendary film director Steven Spielberg.

Here’s the Tweet  announcing Capshaw’s third pregnancy.

No word on how Capshaw’s role as Gray’s Dr. Arizona Robbins will be affected by the pregnancy or when the baby is due.  Check back for more!