On December 29, PLEDIS dropped long-awaited dance practice video of the two boy groups on its official YouTube channel.
NU'EST W and SEVENTEEN performed their special collaboration stage 'HEAVEN' during '2017 Mnet Asian Music Awards (MAMA)' in Japan last month.
![NU'EST W, SEVENTEEN](http://img.sbs.co.kr/newimg/news/20171229/201130769_1280.jpg)
In total of 17 members of NU'EST W and SEVENTEEN showed off their stunning, perfectly-synchronized choreography in the same outfits they wore during '2017 MAMA' performance.
![NU'EST W, SEVENTEEN](http://img.sbs.co.kr/newimg/news/20171229/201130770_1280.jpg)
(Credit= 'Pledis Artist' YouTube, 'mcountdown' Facebook)
(SBS Star)