Kylie Jenner uploaded a risque snap through the week, but fans have shared their concern about a comment left by her half-brother Brandon Jenner.
The reality star shared two photographs with her 345 million followers on Instagram as she posed outside in a figure-hugging nipple-print costume.
The close-up shots of the 24-year old - taken from below - emphasised her chest, while she sported black sunglasses and silver earrings.
Within four hours the post - captioned 'free the nipple' - had attracted a whopping 5.5 million 'likes' and over 30,000 replies.
But it was Brandon's comment that really got fans talking.
The 41-year-old, whose dad is also Caitlyn Jenner, put an excited face emoji alongside raised hands.
One fan was quick to respond with: "You're her brother, weird," while another said: "It’s kinda weird though."
A third commented: "That’s your sister… get a grip, and a fourth put: "You shouldn’t be here, bro."
However, not all users were alarmed by his comments and several jumped to his defence.
One follower wrote: "Brothers supporting their sisters! I'm all for it - the thing wrong here is the idiots who have an issue with the comment."
And another added: "How is it weird !?!?! He’s referring to her saying free the nipples, humour omg."
Earlier this week, Kylie spoke about how she deleted social media while she was pregnant with her second child.
The model explained how she decided to completely switch off in the days leading up to her son's birth.
In the latest episode of The Kardashians, Kylie was seen speaking to sisters Khloe and Kendall in the final days of her second pregnancy as they went to a baby store to buy her a gift.
During their baby chat, the sisters asked Kylie how she was feeling in the days leading up to the birth and she replied: “I just finished my nursery and now that it's done, I feel I can really zen out. I just deleted all my social media off my phone.”
Kendall congratulated her, before Khloe said: “It's so healthy. Zen out. I can't believe you're now just nesting. We love you. We're going to go get you something right now.”
Khloe then told the Hulu cameras: “Kylie is my little baby. I'm like her second mum. It's so beautiful.
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