Olly Murs has left fans in complete shock as he shared a video himself dropping his bodybuilder girlfriend Amelia Tank into a pool by her hair.The 35 year old and his other half have been taking part in several Tik Tok challenges since going into self-isolation amid the coronavirus pandemic.The most recent one involves holding your partner by the head as they grip your hands while you lower them face-first close to the ground before bringing them back up again.