Danica McKellar, A.K.A. Winnie Cooper from The Wonder Years, has filed for divorce from husband Mike Vetra.

McKellar, who married the composer in 2009, recently filed for divorce in the Los Angeles County Superior Court, TMZ reported on June 6.

The former Wonder Years star has reportedly requested joint custody - physical and legal - of their son, Draco, who was born in September 2010.

While the actress has yet to release a statement commenting on the split, she did send out a thought provoking tweet saying, You cannot be lonely if you like the person you're alone with. - Dr. Wayne Dyer.

Danica McKellar is best known for her role as Winnie Cooper on The Wonder Years.

After moving on from the popular ABC show, McKellar went to college at UCLA where she graduated Summa Cum Laude and became a best-selling author.

She eventually published three popular non-fiction books: Math Doesn't Suck, Kiss My Math and Hot X: Algebra Exposed. The books were written in an effort to help middle-school girls increase their confidence and succeed in mathematics.

While McKellar was named Person of the Week on World News with Charles Gibson for her book Math Doesn't Suck and her efforts to help girls develop an interest in mathematics, All three of the author's books made it to The New York Times children's bestseller list.

Danica McKellar married Mike Verta on March 22, 2009, in La Jolla, Calif.

The couple had dated since 2001 and had their first child, a boy they named Draco, on September 7, 2010.