Demi Lovato is “literally gutted” to have to cancel another concert this week.<br />The 25-year-old singer is battling "swollen vocal chords", and will not be able to perform at the Arena Birmingham - due to be the next stop on her UK tour – tonight.<br />The disappointing news comes after Demi was already forced to cancel her concert at London's O2 Arena on Sunday night.<br />The 'Sorry Not Sorry' hitmaker has vowed to reschedule the concert for June 25, and has told fans she is deeply sorry for the "frustration" caused by the late cancellation.<br />Get better soon Demi! <br />
