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"Girls" star Allison Williams is engaged

A "Girls" star is off the market.

Allison Williams, who portrays Marnie on the HBO series, is engaged to Ricky Van Veen, her boyfriend of three years, People confirms.

The 25-year-old actress, who's the daughter of NBC News anchor Brian Williams, met Van Veen through mutual friends. Her new fiance is the co-founder of College Humor, an online entertainment company created in 1999.

Williams apparently has had family on the brain. Earlier this year, she told Glamour magazine, "My goal is to create a career I can walk away from and become a mom. I'd love to be a mom -- and not have to bring my kids into my trailer...Or a balance...But you've [got to] call it on the fly to a certain extent."