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U.S. actress and singer Selena Gomez arrives for the Metropolitan Museum of Art Costume Institute Gala 2015 celebrating the opening of "China: Through the Looking Glass," in Manhattan, New York May 4, 2015. REUTERS/Andrew Kelly Image Credit: REUTERS

Singer Selena Gomez says she made her “biggest hair mistake” when she was learning how to use a hair straightener in the sixth grade.

“I used to think that just because visually I could see that this hair was straight that the back didn’t necessarily have to be straight, so for the entire 6th grade I only straightened the front of my hair. That wasn’t really my proudest moment,” reports etonline.com.

Gomez also revealed that she has simple taste when it comes to hair accessories.

“My favourite hair accessory is a scrunchie. I know it’s kind of old school but it’s really cute when you put your hair up and you let a few pieces come down. It’s nice,” she said.