Tulisa Contostavlos has blasted Dappy after he confessed to being lonely without his N-Dubz bandmates, declaring: "You know my number, mate. Man up and call me!"
Dappy recently poured his heart out and admitted life has been tough for him while Tulisa and Fazer have been busy working on solo projects.
He moaned: "I'm not gonna lie. I haven't seen or spoke to T or Fazer for months and it's tough. It's not the same.
"We were together for so long and now it does get lonely."
But Tulisa, who is also Dappy's cousin, insists the rapper only has himself to blame for not getting in touch with her.
In a Twitter rant, Tulisa raged at Dappy: "U know my number mate... I don't know urs cus u aint gave it 2 me since u changed it... so don't gass the fans, u wanna talk I'm here.
"Don't make me start talkin real cus u won't like it nor will the fans, man up [and] call me... don't reply 2 me by tweet, pick ya balls up call me, I got a new place, cum stay, but don't b an ass."
She then told fans: "Pls remember... Dappy left N-Dubz, that's y we split... 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 hell's my call, I don't even have his num! Had 2 txt me dad 2 pass a message 2 him... Ask him the last time he tried 2 call me."
TULISA'S LA LOOKS
Tulisa arrived in LA at the beginning of February to record her debut album (Pic: WENN)
And only a few days in to her trip, she was doing a Katie Price and getting her hair seen to by top US stylists (Pic: WENN)
Getting her extennos sorted. (Pic: WENN)
In between recording sessions there was enough time to hit the town. (Pic: WENN)
Tulisa was all smiles on the trip despite her recent love split from boyfriend Fazer. (Pic: WENN)
But she batted off the attention of admirers at a pre-Grammys party. (Pic: WENN)
On her way out of the studio. (Pic: WENN)
Tulisa's style offensive was also much talked about as she showed off a stylish American wardrobe. (Pic: WENN)
Tulisa is so LA now she wears sunnies in the dark. (Pic: WENN)
On Valentine's Day Tulisa headed straight out on the town after leaving the studio. (Pic: WENN)
Partying with pals, it was a case of Fazer who? (Pic: Twitter)
Never far from her side was her PA and best mate Gareth Varey who also had a tattoo of her name done in his leg during their trip. (Pic: WENN)
And bumped into former <em>TOWIE</em> star Mark Wright. (Pic: Twitter)
With debut single <em>We Are Young</em> in the can, it was time to film the video. (Pic: Splash)
That's a lot of luggage there dear! (Pic: Splash)
Getting cheeky on the shoot. (Pic: Splash)
And of course Gareth had to get in on the action in the video as Tulisa showed off her curves in a swimsuit. (Pic: WENN)