Kim Kardashian West shared on Instagram Tuesday that her family's popular reality show, Keeping Up with the Kardashians, will end in 2021 after 14 years on the air.According to Entertainment Tonight, there was no "big reason" the family decided to end the show other than everyone wants to spend more time with their individual families. After 14 years on the air, Keeping Up with the Kardashians will end in 2021 with its milestone 20th season.