'Girls' Star Allison Williams Is Married!

This video is unavailable because we were unable to load a message from our sponsors.

If you are using ad-blocking software, please disable it and reload the page.

Allison Williams is married!

The Girls star tied the knot with CollegeHumor co-founder Ricky Van Veen on Saturday in a secret, star-studded ceremony at Brush Creek Ranch in Saratoga, Wyoming, ET has confirmed.

Splash News

NEWS: 'Girls' Star Allison Williams Gets Engaged!

Celebrities present at Williams and Van Veen’s sunset nuptials included Girls creator Lena Dunham, Katy Perry, John Mayer, Bruce Springsteen, Seth Meyers and wife Alexi Ashe, Diane von Furstenberg, Andy Cohen and Tom Hanks and wife Rita Wilson, who plays Williams' mother on the acclaimed HBO comedy.
Williams' co-star Zosia Mamet was spotted arriving at the Denver airport with boyfriend Evan Jonigkeit on Friday.

Splash News

Another one of Williams' Girls co-stars, Gaby Hoffman, offered her congratulations. At Entertainment Weekly's Emmy Award Pre-Party on Friday, Hoffman told ET she wished the couple "patience, love, and understanding."

WATCH: Allison Williams on 'Girls' Sex Scenes: I Love Making People Cringe

Splash News

The wedding date was actually postponed a few months in part because of the scandal surrounding the 27-year-old actress’ father, former NBC Nightly News anchor Brian Williams.

"It’s been a very full year," she admitted to Meyers at New York’s 92Y in February. "You sort of think, 'What could possibly come along that would make me not think about [my wedding]?' And then I get Peter Pan and I think, 'OK, I will think only about Neverland and then we’ll go back to planning our wedding.'"

"And then current events started happening and so that derailed it a little bit," Williams added. "It’s just something we haven’t focused on, but, spoiler alert, we are excited!"

WATCH: Allison Williams' Surprising Peter Pan Diet: Donuts & Bagels & Everything Sinful

This is the first marriage for both Williams and Van Veen, who have been dating since 2011 after meeting through mutual friends. They got engaged in February 2014.

In March 2014, Williams appeared on Late Night with Seth Meyers, where she revealed how Van Veen pulled off the surprise proposal and showed off her massive engagement ring.

"I was completely surprised," she said. "And the funniest thing about that is I consider myself someone who is impossible to surprise, and yet I am constantly surprised by things."

WATCH: Celebrity Summer Wedding Watch: Who's Getting Hitched?