The 19-year-old model was spotted hanging out with a shirtless Biebs at his Los Angeles home Sunday after the pair both attended Diddy's son's 21st birthday bash Saturday evening.
Jenner sparked sleepover speculation in photos snapped of duo as she looks to be wearing similar blue pants and a red scarf from the night before.
The teen reality starlet shared an Instagram snap from Justin Combs' festivities donning the comparable party outfit.
Jenner and Bieber's Sunday funday doesn't exactly come as a surprise as the pair have never been shy about their friendship.
The 20-year-old pop star was recently romantically linked to Jenner's model pal Hailey Baldwin but the two were quick to laugh off the reports.
Bieber also reportedly had dinner with his famous on-again, off-again girlfriend Selena Gomez just last week.
"For years I have wanted Comedy Central to roast me. They said only if I provided them w/ more material so for a year now I have worked hard," he tweeted Tuesday in response to the news.
It's likely his complicated love life will be apart of that "material."
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