United Kingdom, May 21 -- Anastacia fears undergoing laser eye surgery was a "big mistake".

The 57-year-old pop star is known for her trademark glasses but she doesn't need to wear them any more after having a corrective procedure back in 2005 - however, Anastacia has continued to wear her specs anyway because she's convinced her face doesn't look right without them.

She told The Times newspaper: "Although I wore corrective glasses for most of my life, I decided to get lasered in 2005.

"I wanted to know what it was like to wake up and see. Big mistake. My face is built for glasses. Look at the size of my nose!

"I'm back wearing glasses, even though I don't need them."

In the interview, the I'm Outta Love star opened up about living i...