Rhian sold her story to a newspaper following her eviction on Wednesday night, in which she called Simon Cowell's ex "psychotic" and a "skank", saying she feared for her life when around her.
Jasmine has since hit back in a series of Twitter posts, saying that she was supporting Rhian while the model simultaneously gave the interview behind her back.
"She is a fake and a liar - time to stop playing the victim card. I have taken into consideration the fact that barbie is not the brightest girl in the world AND the fact that she's being really ill advised by some two-bit wannabe manager," Lennard tweeted.
"But it is never the less still COMPLETELY unacceptable to contact me THE NIGHT you leave the show, to be sending me messages and communicating with me, to be making dinner plans etc etc WHILST you are giving interviews calling me a "psycho".
"I think not barbie. I have been NOTHING but sweet to you. You are a victim of the horrible choices you made in your past you are NOT a victim of mine!
"It did NOT have to be this way @Rhianmarie I had a soft spot for you and believed you were genuinely a sweet girl which is why I WAS kind to you in the house, lending you my clothes & underwear & jewellery, giving you moral support.
"It's also the reason i was there to comfort you the last 48 hours that you have been so upset.
"BUT if you think i am going to do ALL that and at the same time allow you to have people believe your afraid of me or threatened by me or any else of the rubbish you said in order to be of interest and make headlines you are VERY WRONG."
Jasmine previously targeted Kerry Katona on Twitter after the former Atomic Kitten star said she needed "psychological help".
Photo gallery - Celebrity Big Brother Day 16:
Copyright: Channel 5