Miley Gushes About First Grammy Win During Her Performance of ’Flowers’

’Why are you acting like you don’t know this song?’ — Miley Cyrus threw some surprising ad-libs into her celebratory performance of ’Flowers,’ following her first Grammy win #WatchThis » Subscribe to @NowThis » Sign up for our newsletter KnowThis to get the biggest stories of the day delivered straight to your inbox: For more news, subscribe to @NowThis. #grammys #mileycyrus #entertainment #NowThis Connect with NowThis » Subscribe to NowThis News: » Like us on Facebook: » Tweet us on Twitter: » Follow us on Instagram: » Find us on Snapchat Discover: From entertainment to viral videos and trending stories, NowThis is delivering all you need to know straight to your social feeds. We live where you live. @nowthis