Michael Jackson: 'I Feel ... Very Young' at 50

He first became a star as a young boy, then endured superstardom, scandals and a legal prosecution, but as he turns 50, Michael Jackson told "Good Morning America" in an exclusive interview that he's "having a wonderful time, just relaxing."

Ever wonder how Michael Jackson might have looked if he had never had plastic surgery? The photo on the left, a computer-generated image, gives you some idea. The photo on the right is how Jackson actually looks.

(Newscom/Reuters)
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Speaking by phone from his home in California, at times so softly he was barely audible, Jackson said he was listening to James Brown and preparing for his 50th birthday Friday, when he will "just have a little cake with my children and we'll probably watch some cartoons" -- before he gets right back to work.

Does turning 50 mean he now has an AARP card?

"Not that I know of!" Jackson said, laughing.

He said he still can do all his famous dance moves and "more."

"I feel very wise and sage, but at the same time very young," he said.

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Reflecting back, Jackson said the happiest time in his life was probably when he was recording his hit solo albums "Thriller," released in 1982, and "Off the Wall," released in 1979. Those albums -- which were accompanied by a string of hit singles and videos and corresponded with the 1983 debut of his signature dance, the "moonwalk" -- propelled him to the height of his stardom.

"That meant very much to me and seemed to be received so beautifully by the public and the world," he said. "I enjoyed it very much."

Asked to pick a single song as his greatest achievement, Jackson went back to the same period.

"Oh boy, that's a hard one," he said, before singling out "We Are the World," "Billie Jean" and "Thriller."

But Jackson was not content to rest on his laurels, saying, "I am still looking forward to doing a lot of great things."

He hopes to release new music and tour, though he doesn't have dates set.

"I am writing all the time," he said. "I love composing and the whole thing. But I am also raising my children and enjoying it and teaching them to ride bicycles and how to read. I love it."