She apparently feels that their break-up played a part in his rocky past few months, according to Life & Style.
“She thinks leaving him sent him over the edge,” a source says. “Selena has always felt like she knows Justin better than anyone, and that she sees a side of him that no one sees.”
So she “partly blames herself” for his strange behavior, the source continues.
Meanwhile, Selena is telling people that she's currently doing what she wants and isn't concerned with the consequences.
"I'm in my twenties," the Spring Breakers star tells Z100's radio morning show. "I wanna have fun."
"I wanna enjoy my life and not have to worry about every single thing," Selena continues. Get it, girl.
So who is responsible for the couple's recent reconciliation?
"Justin pursued Selena and she gave in," a source tells Us Weekly.
But does Selena also have her eyes on a different man entirely — albeit a taken one? She was asked by Entertainment Tonight to name her celebrity crush, and it might surprise you. Or not.
"Ryan Gosling is such a given, but he's super cute," Selena reveals. "I've not [met] him yet. I've seen him on an airplane, and I freaked out. I don't even think he saw me."
It's nice to know that, even with all of Selena's fame, she still acts basically how we would act if we ever saw The Gos on a plane.
Sources: Life & Style vis Hollywood Life, Us Weekly