Pop icon Cher is getting ready to embark on her eighth concert tour this weekend, but the 67-year-old, who has entertained audiences for five decades, admits she's nervous to get back in the game!

Three days before opening night of her Dressed To Kill tour, her first one since 2005, the "Believe" singer confided in fans via Twitter that she may be too old for the elaborate stage show she has planned.

She later added:

https://twitter.com/cher/statuses/446513290982588416

The Oscar winner — yes she won in 1988 — also acknowledged that her body isn't what it used to be:

But the groundbreaking artist finally seemed to realize she was being too hard on herself, writing, "I have turned imperfection & insecurity into an art form!"

The North American leg of her tour begins March 22 in Phoenix and ends July 11 in San Diego.