News Amy Poehler & Will Arnett Announce Separation By Raphael Chestang 4:10 PM PDT, September 6, 2012 Getty Images After nine years of marriage, Amy Poehler and Will Arnett are calling it quits.RELATED: The 10 Most Shocking Breakups in Hollywood A rep for the couple comfirmed to ET that they are separating. A source tells Us Weekly, "It's very amicable."Arnett and Poehler wed in 2003 and have two sons: Archie, 3, and Abel 2. The two stars have played opposite each other in such projects as Arrested Development, Blades of Glory, Horton Hears a Who! and Monsters vs. Aliens.GALLERY: Shocking Celebrity SplitsThis marks Arnett's second marriage breakup, as he divorced Penelope Ann Miller in 1995 after being wed for one year.