JoJo is a big name among the highly-coveted younger audience and brings with her a big US fan base. She's one of those names that regular ITV viewers might not know - but certainly will do by the end of the ITV series.
This is a show stuffed with preposterously catchy hit after preposterously catchy hit from, you name it, almost any decade, Minogue herself says, before letting out that endearingly goofy laugh.