After one year of marriage, Arnett filed for divorce from his first wife, Penelope Ann Miller. He started dating Amy Poehler, an actress, in 2000.
They got married in 2003 and co-starred in “Parks and Recreation,” “Arrested Development,” and “Blades of Glory,” among other shows.
Poehler and Arnett are parents to two kids together. In 2012, they made their breakup public. In 2016, their divorce was finalized. Alessandra Brawn, Arnett’s girlfriend, gave birth to his third baby, which was revealed in June 2020.