Flashback Friday: Tom Cruise Sings in His Underwear for ‘Risky Business’ (VIDEO)

Tinseltown is buzzing about Tom Cruise’s action-packed role in Jack Reacher — in which he plays a homicide investigator on a crime-solving mission — but in 1983, it is was all about his Ray-Ban shades and tighty whities.

In the classic ’80s flick Risky Business, the actor played a precocious high schooler by the name of Joel Goodsen who gets rowdy when his parents leave him home alone. To celebrate his independence — and manhood — he strips down to his briefs and lip-synchs to “Old Time Rock and Roll” by Bob Seger.

The role jumpstarted Cruise’s acting career and has since become so iconic that it’s often the inspiration behind many Halloween costumes.

See how Cruise became a Hollywood hunk by watching the Risky Business clip above, and watch the clip below to see the now-50-year-old in Jack Reacher.

Have you ever lip-synched when no one was watching?  Let us know in the comments below!

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Tags: Tom Cruise