After interviewing Kate Middleton on her successful podcast, Happy Mum Happy Baby podcast in February, Giovanna Fletcher has opened up about the interaction she had with her to her I'm A Celebrity camp mates.The mum-of-three, who revealed the romantic backstory to McFly's song It's All About You, told Shane Richie about the "career high" interview on Monday's night episode of the show. "I would call her Kate Middleton before but they all call her Catherine or The Duchess," she told Shane.