Astronauts do the Mannequin Challenge on space station

Celebrities, pop stars, sports stars... just about everyone has been giving the Mannequin Challenge a go.

But can you imagine trying to stay still up in space where there's no gravity?

Astronauts and cosmonauts living onboard the International Space Station did a pretty good job of it when they froze for the challenge.

Find out what the Mannequin Challenge is all about and why people are doing it.