Heidi Montag is training like an Olympian with her husband to stay in shape.
The former 'The Hills' star exercises in Los Angeles with 28-year-old Spencer Pratt.
The 25-year-old star told website Celebuzz: ''I'm doing Crossfit, which is really intense, really hardcore. It's what Olympic professional athletes do in their off-season.''
Heidi underwent 10 plastic surgery procedures in one day in 2010 in an effort to perfect her body, however she now relies on training twice a week with Michael Casey, who she calls ''a martial arts master.''
She continued: ''I row for like 20 minutes, [then run for] 30 minutes on the treadmill. I do half an hour to an hour of cardio on my own. I do my workout five or six days a week. I'm from Colorado, so I love being athletic. I grew up doing sports.''
Though she tries to maintain a healthy lifestyle, Heidi admits she's got a few vices, too.
She added: ''I have my weaknesses. I love wine. I don't think I could ever give it up - red, predominantly. Red wine and tequila - those two things I won't be able to give up. I only drink once or twice a week. I used to drink more regularly, and I'm trying to cut down.''
Heidi and her husband currently live rent-free in Spencer's father's house in Santa Barbara, California after blowing their fortune from reality stardom.
She said: ''Who knows where we'd be if it wasn't for Spencer's family? It's definitely a miracle that we get to live here. We are really cautious with our money now, and we don't have rent. So we fortunately get to save that money. It's just save, save, save.''