Strictly Come Dancing's Dianne Buswell, 30, suffered from a wardrobe malfunction while she and former dance partner and now-boyfriend Joe Sugg, 28, hosted a virtual dance lesson on Instagram.The professional dancer and YouTuber were giving their fans tips at home during the coronavirus lockdown when the mishap happened.While Dianne and Joe are cooped up at home during the nationwide lockdown, the Strictly couple decided to show their fans a dance routine to practice from home.Taking to her Instagram page, Dianne shared a video of the pair showcasing their moves.In view of her 844,000 followers, she was quickly interrupted as Joe noticed something on the floor in front of them.After he got Dianne's attention, the dancer then stopped and.