Jealousy towards my fangirl girlfriend, what should I think?

Lifeisnihilistic
So I have a girlfriend that I love a lot (I've gone and I'm going trough depression and anxiety, I try my best), I really love her a lot, I would not say on a dependent way but she's like the only thing I care of, not even my life is compared.

My girlfriend is fangirl of a youtube celebrity ''ElrubiusOMG'' who's an Spanish guy who acts like himself all the time and that actually made us know each other in the first place ( things in common ). The difference is that she really likes him, like, he has a video wearing a Deadpool suit and he's hot looking (to her), she is even part of a lot of Facebook Fanpages, and she shared a photo of the guy's butt wearing the suit, obviously praising his beauty.

I have a lot of issues as you already know, and I am not a jealous person, but this is making me really uncomfortable, I don't want to say anything to her because I don't want her to be sad or supress herself.

What should I think about all of this? What do you think I should do? (She also likes the Avengers guys a lot, I don't have idols by the way).
Jealousy towards my fangirl girlfriend, what should I think?
4 Opinion