New BFFs Nicole Richie & Khloe Kardashian Odom Get Fit Together

Nothing like bringing a buddy along to help motivate you at the gym! Best pals Nicole Richie and Khloé Kardashian Odom hit the gym together for a workout in Studio City, Calif. on Monday, and looked ready to really kick some tail!

OK! GALLERY: NICOLE RICHIE WORKS IT OUTL JOEL MADDEN HAS A HANDLE ON HARLOW

There have been reports circulating that Khloé and her hubby Lamar Odom are pregnant with their first child.

OK! NEWS: REPORT — KHLOE KARDASHIAN PREGNANT?

Nicole has two kids, Harlow and Sparrow, with husband Joel Madden, so maybe she's giving Khloé all the tips for the best mommy workouts!