updated 07/17/2010 AT 10:00 AM ET
•originally published 07/18/2010 AT 7:00 PM ET
That, he says, despite the fact that nobody has seen divorce papers and family and Hills castmates are skeptical, is the real deal.
“We love each other but I’m a famewhore and I’ll never grow out of it,” Pratt tells PEOPLE. “[Heidi] knows that and doesn’t want that.”
“I want every kind of press,” he says. “She believes in bad press. There’s no way my love for fame and her love for puppies will ever work out successfully. She just wants to hike and hang out and be calmer.”
As for their infamous “Speidi,” moniker, Pratt says his estranged wife “doesn t want to be Speidi anymore. She wants to be Heidi Montag: the sex symbol.”