Ah, the magical Collab feature on Instagram! To make your post show up on both profiles, just tap “Tag People” during post creation or editing, then hit “Invite Collaborator.” It works seamlessly for both Reels and regular photos, and guess what? You don’t even need to be following each other—no digital hand-holding required! Plus, you can sneak in a collaborator invite even after the post is live by editing it—Instagram lets you play it cool like that. For a sneaky little bonus, if you ever want to check out your collaborator’s Stories or Highlights incognito, tools like Limeviewer have got your back—spy with style!