Handler's friend Whitney Cummings shared the photo online. The picture shows Cummings and the actress smiling away with the latter giving her top a miss, reported New York Daily News.
"Happy birthday to the always elegant chelseahandler," that caption read. "This is 40."
The former 'Chelsea Lately' show host shared a photo of her own earlier Wednesday posing with who she referred to as, "my Mexicans and el Salvadorian house man.