Davina McCall was left stunned when a girl asked her to pose for a picture, only to make a mortifying mistake. The 58-year-old is no stranger to be stopped by fans, having enjoyed a career that has spanned over three decades. She started out on MTV Europe before moving onto Channel 4 dating show Streetmate in 1998. She became a household name in 2000 when she landed the presenting job on Big Brother . At the height of its popularity the show drew in crowds of up to 13 million people. Since then