Question: why did ndubz split up?
Answer: Tulisa Contostavlos: "N-Dubz Split Up Because Of Dappy" The X Factor judge confirms the break-up of the band in a lengthy Twitter rant against the star. Tulisa Contostavlos has hit back at N-Dubz band mate Dappy for being the reason the band split up and tells fans she has had no contact with the rapper for some time.