HOW TO RESHARE AN INSTAGRAM STORY
1. Navigate to your Instagram inbox and click on the user who has tagged you in a Story.
2. You should see a button that says 'Add to Your Story'. Tap this button and Instagram will open up your Story editor where you can resize the story, add music, add text etc.
3. Tap 'Your Story' and the post will go live on your Instagram story.
4. This is how the story will look to your audience. Your followers will be able to tap the story and be taken over to the other person's/brand's account.