CHAPPELL Roan was left red-faced when she ‘accidentally’ flashed her bum on stage - forgetting she was only wearing a thong.

The singer, 27, is currently on tour and a clip shared on social media showed her laughing when she realised her behind was on the big screen.

Chappell was seen wearing just a corset and a black thong as she turned around on stage.

She told the crowd: “Oh my god, I forgot my bottom was just a thong.

“I looked up on the screen and saw my a** and I was like…”

Luckily the Pink Pony Club hitmaker saw the funny side and was laughing about her slip-up.

During the performance in New York City , Chappell also thanked her fans for “sticking by me”.

Billboard reports the star said: “It’s been quite a year.

“I can’t believe we’re here, honestly. It’s crazy. Thank yo

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