To the teacher's surprise he sang well, which led to his becoming a choir boy.
From then on he sang lead roles in school musicals, such as Joseph and the Amazing Technicolor Dreamcoat.
The X Factor alumni were both finalists on the reality TV show with Olly coming second in 2009 and Diana coming fourth in 2008.
Diana Vickers has denied reports shes having a relationship with fellow X Factor contestant Eoghan Quigg. At first he questioned me on it, but now we laugh about it, she says.
The couple sparked rumours of a romance when they were snapped cosying up together in the back of a cab at the weekend.
Fortunately, the rumours haven’t hurt her relationship with boyfriend Chris Jones, 18.
The 31-year-old X Factor presenter has wasted no time as he's said to be "casually dating Diana Vickers" after splitting with girlfriend-of-three years Francesca Thomas just a few weeks ago.
She made her film debut in The Perfect Wave and her television acting debut in the comedy series Give Out Girls, both of which premiered in 2014.
Vickers was selected for the live shows and was mentored by Cheryl Cole in the girls' category alongside Alexandra Burke and Laura White.Neither wants anything serious as they have both come out of long-term relationships."Diana is said to have recently split from One Night Only's George Craig, who she started dating at the beginning of 2011.Meanwhile, Olly, who previously described Diana as a "stunning girl and very funny", split from his long-term property manager girlfriend Francesca in September due to his manic work schedule.On Big Band week Quigg sang "L-O-V-E" and received a standing ovation from the judges and the crowd.He made it to the semi-finals and after performances of "Year 3000" and "Does Your Mother Know" was voted through to the final.Vickers' live show performances attracted both praise and criticism; judge Simon Cowell likened her to Marmite, saying fans would either love or hate her unusual singing style, stating that he "loved it".