To the backstreet boy a.J. McLEAN. He just underwent a hair transformation and posted before and after pictures on his instagram game and paula faris has the story ♪ everybody yeah... See More
To the backstreet boy a.J. McLEAN. He just underwent a hair transformation and posted before and after pictures on his instagram game and paula faris has the story ♪ everybody yeah ♪ ♪ rock your body ♪ ♪ yeah ♪ Reporter: The backstreet boys definitely know how to cut a rug. ♪ All right ♪ but but one is sporting a new one. What's up. Reporter: Backstreet boy a.J. McLEAN PROUDLY POSTING THESE Photos to his instagram page writing "i couldn't be happier". A.J. Doesn't seem ashamed he had this procedure and proud of the change he's made with his hair. Reporter: It might be hard to believe a backstreet boy is old enough to join the hair club for men. ♪ Sometimes I wish I could ♪ Reporter: But the 35-year-old boy bander is all grown up and plugging something other than a new album. It looks like they did a wonderful job. He should be happy with his result. Reporter: Over the years McLEAN SPORTED MANY BOLD Hairstyles from blond and spiky and long and curly and with improvements in technology, the results are more natural looking than ever. ♪ I just want to ♪ Reporter: Tackling adult hair loss head on. In the past it was very detectable. Now we do one hair at a time so it's completely natural. Reporter: For "good morning america," paula faris, abc news, new york.
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