Conan O'Brien's Sidekick Andy Richter Files for Divorce From Wife of 27 Years

Andy Richter has filed divorce form his wife of 27 years, Sarah Thyre.

According to documents obtained by The Blast, Andy filed Thursday in Los Angeles, citing "irreconcilable differences."

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The former couple announced their separation on Twitter a few months back.

"It is with sadness that Sarah and I announce that we have separated and have begun divorce proceedings," Richter wrote on Twitter. "We are extremely proud of the life we've built together and shared with so many friends over the years, and even though our marriage has reached its completion we will always maintain a loving friendship and parenting partnership," they wrote.

The comedian added, "The amount of love and support that you all have shown is truly a gift and so so meaningful to me. I feel very loved. Thank you."

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Richter and Thyre share two children -- 18-year-old son William and 12-year-old daughter Mercy.

The couple was married in 1996.

He is best known for his role as the sidekick of Conan O'Brien on each of the host's programs: Late Night, The Tonight Show on NBC, and Conan on TBS.

Sarah is also an actress and is best known for her role as Coach Cherri Wolf on the television show "Strangers with Candy."

As we reported, Richter has been in the new recently after someone on a flight he was on put their feet up on the plane wall.

Andy Richter was disgusted by a fellow passenger on a recent flight and he had no shame in letting the world know.