They may be two of the world's most famous half sisters right now but there was a time Kim Kardashian and Kendall Jenner were confused for being mother and daughter.
Kim, 40, revealed that when Kendall, 25, was first born she was often put on babysitting duty.
At the time, Kim was 16 and she has revealed how people used to think she was Kendall's mum whenever she was out with the baby stroller.
But, while some might have scoffed at the mistake, Kim says she "secretly loved it".
Talking on the KKW fragrance Instagram channel, the pair spoke about their past and Kim's "motherly" role.
Kim said: "When she was born or she was like under a year old I used to have to be her babysitter all the time and I was 16.
"I would have to go and I would carry her in the stroller and everyone thought she was my kid.
"I was so grown everyone thought she was my kid and I secretly loved it."
Kim announced a collaboration for KKW Beauty with Kendall on March 18 for a collection of new fragrances.
The scents are reportedly inspired by Kendall's love of the outdoors and horse riding.
It isn't the first time the reality star has teamed up with one of her family members on her beauty line.
In 2019 the Diamonds Collection was released alongside sisters Kourtney, 41, and Khloe, 36.
The three fragrances in that range were each inspired by the sisters' own favourite scents.
At the time, Kourtney wrote in an Instagram post: "Working with my sisters for this collection was nostalgic.
"Fragrance is so personal, so being able to create my own scent from start to finish was an exciting experience."
Kim is currently going through a high-profile divorce from rapper Kanye West although it's been reported that the Gold Digger singer "doesn't believe" Kim will finalise the procedure.
The pair have four children together; North, 7, Saint, 5, Chicago, 3, and Psalm, 1.
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