Selena Gomez checked into a treatment center, and RadarOnline.com has the exclusive details about her latest rehab stint.<br /><br />Justin Bieber’s 25-year-old girlfriend spent the last two weeks of January in a New York area treatment center and a source explained that those close to her were afraid of a drug relapse.<br /><br />“Selena’s inner circle is afraid she is back on drugs and racing toward a breakdown,” the insider told Radar.<br /><br />The singer’s party lifestyle was enabled by her boyfriend, the informant claimed.<br /><br />“The label just gave her another huge advance which, mixed with Justin’s resources — he’s covering her security and transportation — has led to some pretty heavy partying...even for her.”<br /><br />Gomez cut off her mother, Mandy Teefey, in the middle of her latest breakdown.<br /><br />changed her number again in an effort to avoid Mandy. Mandy is now speaking to Selena through Justin and his mother,” the insider snitched to Radar.<br /><br />Another source revealed Gomez sought treatment for “depression and anxiety.”<br /><br />“Selena doesn’t want to fall back into her old ways,” the insider said. “She wants to be proactive about staying healthy.”<br /><br />PHOTOS: Selena Gomez & Justin Bieber’s Nasty Jabs At Her Ex The Weeknd</a><br /><br />As Radar previously reported, Gomez checked into rehab in 2016 to battle her demons.<br /><br />An insider revealed that Gomez had begun using a potentially deadly cocktail of “Lunesta, Ambien, Klonopin and Xanax” before loved ones staged a desperate intervention and checked her into rehab.<br /><br />“Everyone close to her is worried because she seems to be back to old behavior,” said the source of Gomez, who also did a previous stint in treatment back in 2014.<br /><br />We pay for juicy info! Do you have a story for RadarOnline.com? Email us at tips@radaronline.com, or call us at (866) ON-RADAR (667-2327) any time, day or night.