04/22/2009 05:12 am ET Updated May 25, 2011

The Wonder Years's Danica McKellar Gets Married

The Wonder Years's Winnie Cooper is all grown up.

Danica McKellar, a mathematician and actress who played the beloved character on the hit TV show, tied the knot on Sunday with composer Mike Verta, her rep tells PEOPLE exclusively.

McKellar, 34, and Verta, 36, exchanged vows in an ocean-side church at sunset in La Jolla, Calif., in front of 150 guests, including the bride's sister and maid of honor, Crystal McKella, who played Becky Slater on The Wonder Years.

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