Britney Spears insists she is 'not having a breakdown' as she returns to Instagram

The Toxic hitmaker deactivated her Instagram account unannounced last week, prompting some of her fans to call the police concerned for her welfare. Deputies went to her house out of an abundance of caution on Tuesday night and determined there was no reason to believe she was in danger. Britney reactivated her Instagram account on Sunday and insisted she is doing well. "Since everyone thinks they know my story. THINK AGAIN !!!" she began: "Nope I'm not having a breakdown... I am who I am..."