Kourtney may act as surrogate for Khloe

Kourtney Kardashian may act a surrogate for her younger sister.

The 33-year-old reality TV star - who shares son Mason, three, and daughter Penelope, nine months, with her boyfriend Scott Disick - has offered to be a gestational carrier for her sister Khloe, 28, who has been struggling to get pregnant with her husband Lamar Odom for three years.