If it's happened to you before, you'll probably remember it! In this video Emma discusses a very embarrassing situation. She thought she saw her friend coming along the street so waved at him... only it wasn't her friend!
Emma discusses her experience and explains how she thinks she'll never be able to wave again... will she be able to get over the embarrassment? Watch the video now to find out!
You think you've spotted a friend
You give them your biggest, most excited wave
You realise they're not waving at you!
You might go bright red, or just run away... there's no easy way to style it out
You realise there's nothing you can do and decide that it doesn't really matter - wave at whoever you want!