How should I bring up my insecurity about my girlfriend talking with "gay" dudes online. and my insecurity of how close she is with all of them?

so my girlfriend has found some dudes online that claim to be gay and she has become really close to all of them and they even joke around them moving out of their home and moving in with her and i don't feel good about that and ever since they all started talking she has been more harsh with anyone that goes on her phone and she dosint text me because she is talking to them (she replies to me tho but that's it) i have screenshots if you want them just hit me up for them

How should I bring up my insecurity about my girlfriend talking with "gay" dudes online. and my insecurity of how close she is with all of them?
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