AceShowbiz -

After dying her hair blue and then pink, Demi Lovato now has changed her hair style. Lovato told fans via Twitter on Tuesday that she had shaved a side of her head. She teased the new hairstyle in a photo which shows strands of her pink hair. "So.... This happened...... Oops. #NEONLIGHTSTOUR," the former Disney star captioned the snap.

Lovato then shared a selfie after getting the new do. "IDGAF #NEONLIGHTSTOUR," she wrote. The "Heart Attack" singer can be seen smiling widely in the photo. She sports a white shirt and a leather jacket, opting for a pair of simple earrings and necklace.

The 21-year-old singer then shared more selfies of her. The two snaps show her in a white top without the jacket. She wears a cap in one photo.

The former judge on "The X Factor (US)" is currently on the North American leg of her tour which kicked off in early February. Fans who went to Lovato's "Neon Lights" show at Sands Bethlehem Event Center in Bethlehem, Penn. on Tuesday night got a chance to see her with the cool hairdo.

So.... This happened...... Oops. #NEONLIGHTSTOUR �°ï¿½ï¿½ï¿½�°ï¿½ï¿½ï¿½�°ï¿½ï¿½ï¿½ pic.twitter.com/hIb69FKfR0

— demetria lovato (@ddlovato) March 4, 2014