Normani's video for Motivation has got a lot of attention - especially for one dance move. People have been trying to recreate the basketball bum bounce, rumoured to have been pulled off first time. So fans have been trying it out themselves, and it's not as easy as it seems.

Subscribe to our channel: http://goo.gl/FHXbqA

Much more at http://www.bbc.co.uk/newsbeat

Facebook:   / bbcnewsbeat  
Twitter:   / bbcnewsbeat  
Instagram:   / bbcnewsbeat