hollywood beverly hills emmy's after party emmys
hollywood beverly hills emmy's after party John Hamm mad men

Trousdale's Emmys afterparty was a total celeb hot spot Sunday night -- and we spotted some sexy stars there!

Jon Hamm, John Stamos and Adrian Grenier all looked timelessly handsome in their dapper duds.

Also seen at the party? Our photogs snapped funny ladies Tina Fey, Amy Poehler and Sarah Silverman, plus Andy Samberg, Michael C. Hall, Michael Bolton and many more -- see who else hit the bash in our gallery below!