Paddy McGuinness has shared a rare video of his daughter Felicity as she sang to him on a walk.The Top Gear host shared the 'special' moment with his Instagram followers and gushed over his daughters positivity in what is difficult times.In the clip three-year-old Felicity, who is the youngest of Paddy and wife Christine's children, giving her own rendition of What A Wonderful World by Louis Armstrong as he pushed her along the street in her pram.Paddy captioned the video: "I know how hard being