While sister Kim's voluptuous bottom threatens to break the internet again, Kourtney Kardashian is making a case for the major underboob look. 
Unafraid of showing off her white bits, Kourtney was seen taking a dip on the Mexican coastline in a bright blue bikini this time, which served only to cover the essentials.
A mum-of-three with an age-defying summer body, the 38-year-old proved that an unsupportive bikini top makes absolutely no difference to the appearance of her perky assets.
Dailymail
