Allison Williams marries Ricky Van Veen in stunning Oscar de la Renta gown

Allison Williams tied the knot! See the gorgeous Oscar de la Renta gown the actress married Ricky Van Veen in on Saturday.

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Allison Williams tied the knot!

The actress married Ricky Van Veen in an Oscar de la Renta gown on Saturday, according to a photo posted to Williams' Instagram account.

The nuptials were a star-studded event, according to reports. The bride's "Girls" co-stars Lena Dunham, Zosia Mamet and Jemima Kirke were in attendance along with celebrities including Katy Perry, Diane von Furstenberg, Seth Meyers and Mindy Kaling.

Kaling herself even shared a photo from near the Wyoming ceremony.

Dunham shared a photo from the event as well, posing with Kirke and captioning the photo, "Always trying our hardest."

Congratulations to the happy couple!