There you are, 8 years old, in dance class and learning how to shake your thang so that one day, maybe you'll get to dance with Beyonce, Madonna or Britney Spears - when one of the above pop stars walks in.
Britney Spears surprised a group of youngsters at the RockIt Dance Studio in California, teaching them a routine to Madonna's Give Me All Your Luvin. Apparently, they were a bit young for Baby One More Time.
She posted a series of videos of the class to Instagram, which you can see below:
Oh, why oh why couldn't this have happened to us when we were practicing our moves in the Community Hall? If Kylie Minogue had leapt in an pulled a move like this we would have actually died.