Midler has been vocal about her dislike for Jenner's politics in the past. After Jenner stated last November she intended to vote Republican, Midler tweeted , "People, #CaitlynJenner says she is STILL voting GOP in2016. Regardless of gender identity, I guess she identifies most as 'uninformed.'" However Midler may feel about Jenner's politcs, there's a big and important distinction between expressing disagreement with someone's opinions, as Midler readily does with many celebrities on the platform, and openly mocking his or her gender identity.