Khloe Kardashian and Lamar Odom have been trying to have a baby for four years now, and it's not looking good.
So now it might be big sis Kourtney Kardashian to the rescue!
Ch-ch-check out the video (above) to see Kourtney offer to carry Khloe's bun in her own oven!
How will Khloe - and Scott Disick - react to the offer?!
To find out EXACTLY what's keeping Khloe from carrying her own child, watch the bonus clip from Kourtney & Kim Take Miami …AFTER THE JUMP!