Justin Bieber and Selena Gomez's split has made news last year due to issues on cheating. And now, a source revealed that the true reason why the "I Want You To Know" singer broke up with the "Baby" hitmaker was because she caught him on the bed with Kendall Jenner.

According to a source from Life & Style, it was last year after Coachella 2014 when the 22-year-old singer found him goofing around in bed with the "Keeping Up With The Kardashians" star.

The informant told, "After the Coachella festival last April, when Selena and Justin were still a couple, Selena showed up at his house and walked in on him and Kendall in bed together, fooling around."

"Selena was heartbroken and literally freaked out. For months Selena sent her angry texts and insulted her. She was really mean to Kendall, but who could blame her? She thought she was her friend."

Just recently, Selena Gomez and Justin Bieber were seen under the same roof at the 2015 Met Gala, The Daily Mail said.

The "Boyfriend" hitmaker was with Kendall Jenner and her sister Kylie Jenner while Selena Gomez was with her gal pals.

The "I Want You To Know" singer rocked a stunning Vera Wang bridal-inspired gown while the "Baby" hit maker wore a black blazer, adorned with gold dragons for the night's event.

Rumors have it that Justin Bieber was just making Selena Gomez jealous of his closeness with the reality star so they could get back together again, Celebrity Dirty Laundry said.

In another report, the "Behaving Badly" star was also rumored to have been checking on her ex-boyfriend and was also stalking him in his social media accounts, teasing hints that she wants to get back to him again.

After Justin Bieber and Selena Gomez's breakup in 2013, the "Come & Get It" singer was linked to bisexual supermodel and pal Cara Delevingne and had a brief relationship with German DJ Zedd.