Melissa Gilbert Files For Divorce

Bruce Boxleitner and Melissa Gilbert arrives at the premiere of "TRON Legacy" at the El Capitan Theatre, Hollywood, on December 11, 2010 -- WireImage

Melissa Gilbert has filed for divorce from her husband of 16 years, fellow actor Bruce Boxleitner.

The former "Little House on the Prairie" star filed papers in Los Angeles Superior Court on August 22, 2011, citing irreconcilable differences as the reason for the split.

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Melissa has asked for joint legal and physical custody of their son, Michael Boxleitner, who is almost 16.

She listed the date of separation for the couple as January 5, 2011.

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The news of Melissa's marital split comes one day after news broke that her sister, Sara Gilbert, had split from her longtime partner, Allison Adler, after a decade together.

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