Kim Kardashian dress red carpet kitson lamar odom rich soil Kim Kardashian dress red carpet kitson lamar odom rich soil

We'd recognize that sexy booty anywhere!

Before celebrating Kim's birthday at Philippe Chow, we caught Kim and Kourtney Kardashian on the red carpet at Kitson for the launch of Lamar Odom's Rich Soil clothing line. Now that Lamar's a true member of the family, he gets their help with all sorts of promotional duties ... sounds like a pretty sweet deal to us!