u/Left-Salt5397

My friend, say her name is A (F21) is friends with my current friend group through me. We go out pretty often together so we have all gotten close. However, A and I are definitely the closest. She has other friends who she hangs out with too. They’re very close too but everytime I hang out with my friends I always invite her. Most of the time she hangs out with her other friends she does not invite me. In the last three years she has perhaps invited me 4 times. I want to not invite her with my friends the next time but I know since my friends in this group are super welcoming they may ask why I did not invite her. WIBTA if I did not invite her?