New BFFs Nicole Richie & Khloe Kardashian Odom Get Fit Together

By:OK! Staff

Jan. 11 2011, Published 4:31 a.m. ET

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.

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Nicole Richie Bonds With Teenage Daughter Harlow Over 'Drama With Her Friends': 'It's Wild'
Nicole Richie Thinks Joel and Benji Madden Both Giving Their Sons Bird-Themed Names Is a 'Twin Thing'
Nicole Richie and Joel Madden Have 'Check-ins Where They Both Bring Up Their Grievances' in Order to Keep Their Relationship Solid

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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!