Which are you playing on? (Wii, Switch, Xbox, or PS4?) Are you using a controller, camera, or phone app ? Which specific move is giving you "OK" or "X" ratings?
I can provide or frame-by-frame advice for those tricky sections. Blue (Da Ba Dee) - Just Dance 2018 (Megastar - *5)
The coach strikes a pose with one arm up and one down. Hold perfectly still. Which are you playing on
Swing your arms out into a wide V. Ensure your right hand (the controller hand) reaches the peak of the arc exactly on the beat. Which are you playing on? (Wii