"I have a few cowboy friends that I work out with," Jewel, 36, told UsMagazine.com Thursday at a Television Critics' Association event in Pasadena, Calif.. The "Who Will Save Your Soul?" chanteuse lives with Murray, 41, on a 2,200 acre ranch in Texas.
"We do cardio and running outside. Other times? I just go to to the gym."
Now in her second trimester, the star of Bravo's Going Platinum says she's "going to keep working out -- but you try to give yourself a break when you feel tired."