It looks as though Kendall Jenner has new man by her side, and he's a pretty fast one, too. Rumor has it that the reality television star and model is dating British Formula One racing driver Lewis Hamilton as the two were spotted getting very up close and personal in Monaco this past week.

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According to Us Weekly on Thursday, sources say that Jenner and Hamilton were flirting and texting each other all weekend and at the star-studded 22nd Cinema Against AIDS Gala event.

The site says that Hamilton even invited Jenner and her friends on his yacht. An insider said, "Kendall definitely has a major flirtation going on with Lewis and seems into him. They were very flirty all day long. Lewis was spraying water on Kendall with the back of his jet ski and she was loving the attention. They were both laughing and having a great time."

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So far, neither Jenner nor Hamilton have made any comments about the rumors.

Meanwhile, there's a new report indicating that Selena Gomez feels like she has been "stabbed in the back" by her friend Kendall, all thanks to her relationship with Justin Bieber.

According to Hollywood Life earlier this month, Gomez supposedly feels betrayed by the model, who is reportedly dating the chart topper while trying to keep their relationship off the radar.

A source told the site, "Selena has heard that Kendall and Justin are hooking up and feels totally lied to, betrayed and stabbed in the back by Kendall. She doesn't know how long it's been going on, but she's convinced it's actually happening, and feels embarrassed and foolish. She doesn't even consider Kendall a friend anymore."