Renée Zellweger is trying to make the Ice Bucket Challenge a thing again

Remember when we all thought pouring water on ourselves was the cleverest idea ever?

We called it the "ice bucket challenge", and it was the social media sensation of 2014, a year ago this month.

Well, Renée Zellweger is ready to bring it back with her own video on it - and she’s challenged some big-name celebrities to help bring it back.