It's all over between Paris Hilton and boyfriend Benji Madden, Life & Style can officially report.

"Sadly, it's true," Vanessa Fontana, a
contestant on Paris' BFF show, confirms exclusively to Life & Style. "Paris and Benji have split. I love Paris, and I just want her to be happy. I think that they'll be better as friends."

Vanessa disputed rumors that the split had anything to do with Paris' brief reunion with ex Stavros Niarchos this past weekend in Miami.

"No, nobody else is involved," she says. "Paris and Benji were loyal
and faithful to each other. I was with Paris in Miami, and Stavros came over
to our table, and the two of them talked for literally two minutes. It was a friendly
conversation. They definitely did not hook up."

Sources say the breakup is due to the basic differences in the couple:
Benji is a quiet homebody, while Paris is very social, both personally
and professionally. And in recent weeks, the strain was beginning to
show.

"All of Paris' friends have noticed that she hasn't been happy
lately," says a friend. "Benji told Paris he didn't like the BFFs from her
show, and that he disapproves of her friends and doesn't get along with her
sister."

Their work schedules have not helped: Paris regularly travels the world,
and is booked with back-to-back projects for the next 12 months, while Benji
is currently in the recording studio working on a new
Good Charlotte album with his twin, Joel.

Paris is said to be devastated by the breakup. "She wishes it could
be different," says the friend. "Benji always treated her like his princess.
He's a really great guy with a big heart and she loves him very much.
Maybe at some point in the future, the two of them could try again, but
right now, they're just too different as people."

Photo Credit: WireImage