AceShowbiz -

That's what friends are for! Kim Kardashian's BFF Jonathan Cheban is returning to "Celebrity Big Brother" to face her ex Ray J who boasted about his infamous Kim sex tape when entering the house as newcomer.

According to a source, Jonathan, who joined "CBB" season 17 but quit the show after only a week, will make a cameo in the season 19. The 42-year-old former CEO of CommandPR's arrival sometime this week will reportedly catch Ray totally off guard.

"They asked Jonathan to come back as an all-star and do the full season, but his schedule is crazy at the moment and he's got other shows in development, but he loves Celebrity Big Brother and wanted to be part of it in some way," the source tells Us Weekly, "When they told him that Ray J would be in the house, he was totally up for going in and causing a little drama. [Ray] has no idea this is going to happen."

After Ray bragged about Kim sex tape in the first episode of "CBB" season 19 on Tuesday, January 3, Jonathan vented his anger on Twitter, writing, "What a loser #CBB (you know who I'm talking about)..see you soon London."

What a loser #CBB (you know who I'm talking about)..see you soon London

— Jonathan Cheban (@JonathanCheban) January 3, 2017

I'm still trying to figure out who the all stars are? #cbb #CBBUK

— Jonathan Cheban (@JonathanCheban) January 3, 2017

He also shared two photos of him going to London.

See you soon London✈pic.twitter.com/pa9LArUvII

— Jonathan Cheban (@JonathanCheban) January 3, 2017

En route pic.twitter.com/eCqPVDTTon

— Jonathan Cheban (@JonathanCheban) January 4, 2017

On Wednesday, Jonathan posted, "So far extremely boring #cbb can't see it getting much better."

So far extremely boring #cbb can't see it getting much better

— Jonathan Cheban (@JonathanCheban) January 4, 2017