Like the end of Don and Betty Draper, we saw this one coming.
The Mad Men star filed the paperwork in L.A. Superior Court today, citing June 26 as their date of separation and irreconcilable differences as the reason, thereby putting an end to our vision of adorable double dates with Jason Sudeikis and January Jones.
A source told E! News in August that Armisen was seeing Saturday Night Live castmate Abby Elliott.
The Big Celebrity Splits gallery grows ever fuller.