EXCLUSIVE VIDEO INTERVIEW: Mel B. - 'My Business Manager An Evil Con Artist Who Needs To Be Stopped'

The couple, from the Style Network's It's a Scary World, claim Catullo, also a director and producer, backed out of the $2 million deal and defrauded Brown in numerous instances, including forging her signature on a financial document.

"He is a con man," Mel B told RadarOnline.com in an exclusive video interview.

"He is a con artist... he is a very evil con artist with not very good intentions. He steals peoples money, not just our money but a bunch of peoples money."

While Mel B and Belafonte have asked for a default judgment against Catullo to be started, he is countersuing the ex-Spice in response to their lawsuit.

In an extensive investigation into the business dealings of Catullo, RadarOnline.com has uncovered that he has an extensive criminal record, from California to New Jersey, for identity theft and fraud, among other things.

DOCUMENTS: See Dan Catullo's Criminal Record Here

Catullo is also a litigant in an exorbitantly high number of lawsuits, in which he is almost always the defendant.

According to Belafonte, Catullo used Mel B. to get a slick new $140,000 Audi sports car, unbeknownst to the British songstress.

"He actually used Mel's name in one of the cons he did by saying he was getting a car for Mel and he stole his partner's identification," he told RadarOnline.com.

Said Mel B: "He said the car was for me, that I had ordered him to buy it, and I never did."

In another instance, the couple claim Catullo offered to plan a surprise birthday party that Mel B. was planning for her husband and she gave him up to $40,000 to organize it.

"Dan said, 'I'll take care of it for you, just give me 30,000-40,000 dollars'," recalled Belafonte.

"It was an elaborate party... fire breathers, elephants... I mean it was amazing.

The former Spice Girl told RadarOnline.com: "What I think is really disturbing is that this guy is walking around LA, right now you could bump into him (and) he would be the nicest guy on face value, but underneath that, he is a vampire.

"He takes your money, tells you a completely different story, he morphs into these different names and characters and he just ruins peoples lives.

"I feel stupid because knowing what I know now, why didn't we check that or see that a lot earlier, hopefully we are preventing anybody else.