A friend…

So i have this one friend girl. We are in a group message with about 5 other people. So an old friend of mine who was never in the group message befriended me to start having a relationship with my boyfriend. I let her go as a friend simple. Boom. But my current friend sometimes sends me post in our group message of this old friend making jokes saying things like “thats looks like the inside of your car” or if this old friend post a picture of her body she’ll send “oh look like you need to catch up” i brush it off but it’s annoying at this point. My current friend is kind of a hot head but i need to find a way to tell her to stop being petty sending me this girl post when i don’t care to see them. Nobody in the group message ever comments or puts her in her place but i believe its time for me to do it…