Kris Jenner has branded Justin Bieber as the "best babysitter in the world," after the singer spent a pool day with Kourtney Kardashian's oldest son, Mason Disick.
The 59-year old television personality took to Instagram to share a picture of the 'Boyfriend' singer with Mason, having fun at the pool, saying "Mason and @JustinBieber family pool day!! "Bestbabysitterintheworld," E! Online reported.
The 21-year old singer too enjoyed his company and was seen wearing a baseball cap with his signature shades and said that Mason is cool as a fan.
Bieber and the Kardashian family have a long history of friendship and there had been romance rumours too between Bieber and Kendall Jenner, though the model had denied them, saying he was just a long time friend of their family.
