08/26/2011 at 02:20 PM EDT
There's a baby girl on the way for Lindsay Sloane.
The star of A Good Old Fashioned Orgy
, 34, is five-and-half months pregnant with her first child with husband Dar Rollins.
Sloane, who recently had roles on Weeds
as Maxeen and in Horrible Bosses
as Stacy, wed Rollins in 2004.
A pal of Sarah Michelle Gellar
's and Melissa Joan Hart's, whom she costarred with on Sabrina the Teenage Witch
, Sloane was the maid of honor at Gellar's wedding to Freddie Prinze Jr.
Reporting by BLAINE ZUCKERMAN