And that, marketing experts agree, really is the main reason behind using celebrity endorsers.

And as a celebrity endorser, he's instantly up there with the big guns.

But until now, celebrity endorsers had never actually broken into song about it.

Today the role of celebrity endorser has lost nearly every shred of stigma.

He asked his staff to find a celebrity endorser who could help the company reach the Hispanic market.

Mac has brought several celebrity endorsers to the team.

We're kind of a small company, and we do not have any celebrity endorsers.

The whole point of celebrity endorsers is to draw attention to products, of course.

He also pursues local business interests and is in demand as a celebrity endorser.

But for Nike, there is a downside to the power of its own celebrity endorsers.