Actor Henry Winkler cringes whenever he recalls meeting his rock idol Bruce Springsteen - because he was so starstruck, he couldn't form a complete sentence.
The 63-year-old became a big TV star after rising to fame in 1970s sitcom Happy Days, but admits he still gets tongue-tied when he finds himself in the company of legendary singers.
He says, "You know, I've seen him (Springsteen) several times in concert, and I've only met him twice and I put out my hand and I mumbled. I couldn't get a sentence out. The same thing happened with Mick Jagger. We were on the plane coming back from Miami."