Yamibi: don't let your gorilla read your comment.
After she turns into a woman, okay. Maybe. As a gorilla, noway. I'm sorry for being so shallow, but I want to be attracted to my girlfriend. If I'm not charmed we surely can become friend and maybe my feelings change and then I may see her in a different light, but overcoming the species barrier? Elf. Just a pair of longer ears. Okay. Halfling? Maybe, if she's cute or a badass beauty. Ork? Maybe, if she's cute or a badass beauty. Humanoid alien? How humanoid are we taking here? A pony? ... No, let's not go there.
Welp, this is where I draw the line. (At least when I'm not drunk.)
So a gorilla is off the table. Let's get some strippers on it. But Friendship is magic and there is a transmutation spell for everything, sooooo.....