According to net worth estimation site networthtomb.com, Dappy is worth £1.6million as of 2015 - having earned most of his money through endorsement deals, sponsorships and ads.
They add that the star earns a yearly income of £192,504 from his music, with a further £50,000 earned from other means.
He was also serving another suspended sentence at the time for spitting in the face of two teenage girls at a petrol station in Guildford, Surrey, in February 2012, while on a night out.
Dappy was also was also fined £800 in 2014 for slapping a man at a nightclub in Chelmsford, Essex.
A source revealed: "Jack is filming the 300 sequel in eastern Europe and will be there until November.
He isn't able to travel to the UK at all, as filming schedules are so tight.
Dappy was the brainchild behind a lot of their songs, and was the main writer in the band - with their album Uncle B reaching platinum status in the UK.
The group lasted for four years and went on a 'hiatus' to focus on their solo careers in 2011, but never regrouped.
He reportedly threatened to stab cops with a knife, with a police spokeswoman saying of the incident: “It is believed he had a knife.This meant Tulisa was flying backwards and forwards to Bulgaria - as well as fulfilling for her X Factor duties."A long-distance relationship just wasn't working so the pair sat down together over dinner and talked it through like adults.However, no one was injured.” The star was kept behind bars on remand before being handed a nine month prison sentence suspended for two years after admitting having a bladed article in a public place.On his release he wrote online: “Thank u for giving me one more shot in life god #Freedommmmm “And I do NOT have a black eye as u can all see.