Next time on Zestology:

Sinitta has 14 international hit singles. Yep, I was singing along to her music in the 80s. She is a mentor on The X Factor and she now makes her own fitness videos. But one of the best moments in our chat - I thought - was when she told the long and painful story of how she realised she "wasn't famous any more", and how she dealt with some serious ups and downs.