Probably you already know the song, but are you sure you're still able the steps or do you even know them? This is the perfect chance to have some fun and learn this difficult, but funny choreography! Henry and David want to invite you to their birthday, they love to dance and the chu chu ua is their favorite song. They have already taught all their friends the steps and the lyrics. Do you want to learn them too? Watch the video and stand up from your seat! Enjoy this moment and dance with them!