Irreconcilable differences were cited for the breakup. The couple got married in October but separated in June.
Moss plays the part of Peggy Olson on the Emmy Award-winning show "Mad Men."
Armisen has appeared on "Saturday Night Live" since 2002 and parodies /*President Barack Obama*/ on the show.
The Associated Press contributed to this report.
Do you want the Eyewitness News team to call you? Get a FREE Morning Wake-up Call and personalized weather report at abc7.com/wakeup
