David Cross and Amber Tamblyn at the 9th Annual 24 Hour Plays on Broadway After Party in 2009. Credit: Jamie McCarthy/Getty Images for Montblanc

Another Sisterhood of the Traveling Pants star is off the market!

Actress Amber Tamblyn, 29, married actor David Cross, 48, on Saturday, his rep confirms to Us Weekly. Filmmaker/director Lance Bangs shared an Instagram photo of the newlyweds dancing at their ceremony on Saturday.

"Yo La Tengo playing Superchunk, Mission of Burma, and Pixies covers at David and Amber's wedding," Bangs, 40, captioned his shot. In the photo, Tamblyn wraps her arms around her husband while slow dancing.

The longtime couple confirmed their engagement to Us in August 2011. This is the first marriage for both Tamblyn and the Arrested Development actor.

Tambyln recently celebrated Blake Lively's wedding with Sisterhood costars America Ferrera, 28 and Alexis Bledel, 30.

The friends traveled to Boone Hall Plantation & Garden in Mount Pleasant, South Carolina on Sept. 9 to watch Lively, 25, tie the knot to Ryan Reynolds, 35.