Don’t mesh with her! Demi Lovato flashes torso in double denim with glittering sheer sleeves as she leads the stars at Jingle Ball in NYC

She was spotted at a red carpet event in Los Angeles on Thursday.

And Demi Lovato jumped coasts to perform at another star-studded soiree as she attended the Z100’s iHeartRadio Jingle Ball concert in New York on Friday.

The 25-year-old singer was rock star chic as she donned a denim ensemble that turned heads at the annual pop music gathering.