According to Us Weekly, Selena Gomez unfollowed Kendall and Kylie Jenner on Instagram because of their behavior toward her then-boyfriend Justin Bieber. A source told the outlet, "Selena said the Jenner girls were flirting with Justin and his crew. She was pissed and overreacted." HollywoodLife corroborated this account (via the Daily Mail), explaining that Gomez "flipped out" when she found racy texts between Kylie and Bieber on his phone. "Kylie sent sexy pics of herself to Justin and that's what started the fight. Selena saw the pictures on Justin's phone and she freaked out," an insider revealed. Per Radar, Gomez "want[ed] nothing to do with Kylie or Kendall," from whom she had already been picking up "bad vibes."

At this time, Gomez was reportedly carving out a path for herself on the straight and narrow, via TMZ. This translated to a renewed focus on her singing career. She also sought to cut out "toxic influences" in her life, like the Jenner sisters. But in a plot twist, the Jenner sisters claimed that Gomez was actually the toxic one, which backed up the Biebs' account of his ex-girlfriend's substance abuse. As SheKnows noted, the "Peaches" singer pointed the finger at Gomez for drinking and smoking, and even called her a "much heavier partier." While it's unclear who was telling the truth, it looks like Gomez may have ended her relationship with the Jenner sisters due to insecurity over Bieber.

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