UPDATE: MTV reported this afternoon that Katy Petty, touching down in Boise for Saturday evening's concert, tweeted her condolences, writing, "RIP Amy Winehouse. May she finally find peace."
ORIGINAL POST: The BBC reported earlier today that singer Amy Winehouse was found dead at her north London home. The cause of death had yet to be disclosed. The troubled entertainer struggled with alcohol and drugs and had several stays in rehabilitation and mental-health clinics.