N-Dubz star Tulisa Contostavlos has confirmed the band's break-up on Twitter.
The X Factor judge revealed that singer Dappy was the main reason for the band going their separate ways during a war of words on the social networking site.
Following recent comments from the 'No Regrets' singer not getting in touch with him Tulisa hit back tweeting:
"u know my number mate..I dont know urs cus u aint gave it 2 me since u changed it...so dont gass the fans, u wana talk Im here."
"serious man I hold it down, dont make me start talkin real cus u won't like it nor will the fans, allow twitter,man up n call me."
"4 the ndubletts triena take sides...pls remember..dappy left ndubz,that's y we split,n wen he wanted 2 get away I tried 2 move him..."
"In2 my yard,but he left n got a new num n I aint heard from him since, he aint called or made contact, just talks 2 the press about me"
"Sayin he misses me but where the hells my call,I don't even have his num!had 2 txt me dad 2 pass a message 2 him n got no reply"
"So pls don't let @TheDappy gass u up cus he knows what it is...I will kill 4 him n he knows it..but ask him the last time he tried 2 call me"
"@TheDappy dont reply 2 me by tweet,pick ya balls up n call me,I got a new place,cum stay,but dont b an ass on twitter..wen u know the deal"
"F this,cant believe I stooped so low as 2 have a private debate on twitter,but I aint havin no1 turn ndubletts against me over b*****."
Rumours had been circulating for months about the reasons behind the band's split with Fazer and Dappy both admitting the acts will get together again soon.