WENN 1 / 12

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

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

PHOTOS: Hollywood's hottest married couples

"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.

PHOTOS: More celebs with huge age differences

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

PHOTOS: Best celeb engagement rings of all time

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.


Amber Tamblyn Engaged

Unusual Celeb Wedding Venues

Jessica Biel cool as a cucumber while preparing for wedding