Dappy - real name Costadinos Contostavlos - met Fazer at karate club when he was just nine and they recruited Tulisa to share the vocals in 2000.
The 27-year-old rapper and songwriter, from London, is also famed for his sometimes controversial lifestyle.
Last year, Dappy avoided a jail sentence following a 'brawl' on a petrol station forecourt.
More recently, Dappy was hospitalised after being injured by a horse while riding through the grounds of his Hertfordshire home.
After being thrown off, the horse stamped on his face.
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Copyright: Channel 5