It's over for Paris Hilton and boyfriend Doug Reinhardt of The Hills, PEOPLE has confirmed.
"In response to the inquiry on whether Paris Hilton has split up with Doug Reinhardt, yes, this is true they are no longer together. They remain friends and ask that you please respect their privacy," a rep for Hilton says.
Hilton, 28, and Reinhardt, 24, had been together for six months. Reinhardt's rep had no immediate comment.