Don't divide the group to accommodate her. Invite everyone you want to invite. If she decides she doesn't want to go based on who'll be there, that's on her. It's unfair to your other friends to exclude them at her whim.
You decide who you want to invite to your parties, end of story. You don't have to justify it to judge, jury, special snow- or bro-flakes. Whatever the reasons are, so long as they sit right in your heart, you're good.
She's trying to snowflake you into inviting whoever she wants to your party. Fuck that shit. It's your party. Cry if you want to. But don't exclude your friend cuz she wants you to. end of story.