Celebrity divorces, breakups of 2013 / 2012

18 of 149: 'Parks and Recreation' star Amy Poehler and 'Up All Night' star Will Arnett have separated after 9 years of marriage.

The pair's rep confirmed the split to OTRC.com on September 6, 2012. The 40-year-old comic actress and Arnett, 42, are parents to young sons Archie, 3, and Abel, 2.

Poehler and Arnett have appeared opposite in films like 'Blades of Glory,' 'Horton Hears a Who!,' 'On Broadway,' 'Spring Breakdown' and 'Monsters vs. Aliens.' They also had cameos in each other's TV shows - Poehler appeared in five episodes of 'Arrested Development' and Arnett appeared on a 2010 episode of 'Parks and Recreation.'

(Pictured: This May 7, 2012 file photo shows actors Will Arnett and Amy Poehler arriving at the Metropolitan Museum of Art Costume Institute gala benefit in New York.) (AP Photo / Charles Sykes, file)