India, Feb. 20 -- British rocker Ozzy Osbourne's wife Sharon Osbourne has admitted that she regrets turning down an opportunity for her husband to appear in the popular Pirates of the Caribbean film franchise.

"You know the biggest mistake I did with Ozzy. He got offered to go and read for Pirates of the Caribbean, and I've never said this to anyone," she revealed on The Magnificent Others With Billy Corgan on Wednesday.

"I said no. Now, wouldn't he have been perfect? Because when Johnny ... wanted Keith to be a pirate, you remember?" she told the frontman of the popular rock band Smashing Pumpkins .

The "Johnny" she referred to was Johnny Depp, who played Captain Jack Sparrow throughout the blockbuster franchise, beginning with Pirate...