Here's Kourtney Kardashian showing off her beach body for Shape magazine. The reality TV star shared her exercise secrets with the US fitness publication as she admitted she has a tendency to gain weight on her behind. "I love my butt, but I have a tendency to get saddlebags there," the 32-year-old, who gave birth to son Mason 18 months ago, revealed. Pictured: Kourtney Kardashian Splash News and Picture Agency does not claim any Copyright or License in the attached material. Any downloading fees charged by Splash are for Splash's services only, and do not, nor are they intended to, convey to the user any Copyright or License in the material. By publishing this material , the user expressly agrees to indemnify and to hold Splash harmless from any claims, demands, or causes of action arising out of or connected in any way with user's publication of the material.