Sexchange (2009)

A zany and ribald farce about a machismo-fueled, philandering president, who strongly detests homosexuals and any other threats to his masculinity. His wife spends her days in utter misery, bemoaning her rapidly advancing age and counting her husband's lovers. One evening, when Mr. President beds his sexy female assistant, it wreaks a level of change that the man never could have foreseen.

Unfortunately the movie Sexchange is not yet available on HBO Max.