For months, Heather Dubrow has been working on her dream renovation with husband Terry. However, she’s now lost millions as the build has descended into a complete disaster. Forget glamorous parties, The Real Housewives of Orange County star is busy working on her ideal space. Her dream home, which cost $16 million, has cost Heather Dubrow more than twice the budget and time. Heather Dubrow builds ‘dream house’During a first look at Part 1 of the RHOC season 18 reunion, host Andy Cohen asks Heather, “What’s happening construction-wise on the new home?” Heather declares, “Oh my god, it’s a disa…