Kylie Jenner posted a sexy photo on her Instagram on Tuesday and some might be thinking that it seems too much for a 17-year-old, Entertainmentwise reported.

The "Keeping Up With The Kardashians" star hasn't been shy about her showing off her body and in her most recent photo that's exactly what she did. She took a selfie while dressed in only a tight sports bra and floral boxers, showing off her bare midriff and a lot of cleavage.

She captioned it with the words, "Can I wear a sports bra & boxers all day ugh."

There's only around six months left before the reality star turns 18, and it seems like she's already following in the footsteps of her older sisters Kim Kardashian and Kendall Jenner, who are also known for showing off their bodies.

Well, no one can deny that she does have a body to be proud of, which Jenner credits to good genes.

She was interviewed by E! News during a promotional gig at the Sugar Factory American Brasserie and she admitted that she didn't need to do a lot to stay in shape despite eating a lot.

"My mom always has so many sweets and so much candy around the house," Jenner shared. "Every time someone comes over, they're always like 'How are you not majorly obese in this house?''"

She even admitted that she ate "so bad" right now.

While some of her sisters took to regular gym trips to maintain their body, Jenner didn't have to. It's all thanks to her father, former Olympian Bruce Jenner.

"I eat so many sweets and so much candy, but it's the Bruce Jenner genes," she said.

Lucky her then, though Jenner admitted that she still needed to start working out soon if she wants to keep maintaining her physique.

She could probably join big sisters Kim and Khloe Kardashian, who are known to regularly hit the gym several times a week, or Kendall Jenner, whose modeling career requires her to keep in shape.