Clare Kramer welcomed her second son and fourth child on Dec. 11, 2013. Credit: Albert L. Ortega/Getty Images

Just in time for the holidays! Buffy the Vampire Slayer alum Clare Kramer (Glory) welcomed her son Sky LynLee Keathley with husband Brian Keathley on Dec. 11. 

The little boy weighted 8 pounds 11 ounces upon arrival, and his middle name is a tribute to Brian's late sister who passed away in September 2013.

Kramer, 39, hasn't released the name of her new son, but he joins her daughters, Gavin (5) and River (3) and son Hart (19 months).  

"Meet my new little man! He joined our gang at 8:13 am this morning, right in time for the holidays!" Kramer wrote on her official Facebook page on Dec. 11.  

The actress, who has also appeared in the films Bring It OnRules of Attraction, and The Skulls III, shared a precious picture of her growing family, with daughter River holding the newest addition. 

Kramer and Keathley married in 2005. Keathley is a writer and producer who has worked with Kramer on the show Take Five. The couple founded entertainment website GeekNation in 2012.

Kramer, who gained popularity in the Whedonverse for playing Buffy's season 5 villain Glory, still spends time with Buffy costar Julie Benz and attends events honoring the cult classic show.