But by far, with 87% of the 1,300 members who voted, first series X Factor winner Steve was considered as the biggest flop by the members with three in four actually confessing to not knowing what his number one single was (it was 'Against All Odds' in case you didn't know either).
Preloved.co.uk launched the poll when they found an increase in the volume of second hand music by former reality contestants posted on the second hand classifieds site.
At the other end of the scale was singing sensation Leona Lewis who was considered the biggest success story with 92%, while Cheryl Cole from Girls Aloud and Will Young took second and third place, with 87% and 82% respectively.