Celebrity advertising is the utilizing of a public figure's likeness for selling a service. It can be achieved through celebrity endorsements, whereby the celebrity consents for their likeness to be used in ads for a certain brand. Celebrity advertising without the celebrity's consent ends up in products that are called illicit products or knock-offs, which feature the celebrity's photograph or likeness on a product.

Celebrity advertising means that the celebrity uses the product that she is advising, and favors it above others of its kind. Because of this, brands will probably target celebrities who seem to reflect whichever effects the ad is promising. As an example, celebrities who are fit are usually approached to represent fitness and weight reduction products, and stars that are famous for their hair are approached to commend certain makes of shampoo.

In a few cases, the celebrity may not even use the service in any way. Marketers pay millions to celebrities hoping that they can bring sorcery to their brands they get behind and make them more interesting and successful. The efficacy of employing a celebrity to advocate a firm's product can typically be improved by matching the picture of the celebrity with the character of the product and the particular or desired idea of the target audience. There's a high link between the appearance, data, liking, credibility, and advertising believability and purchase ambitions.

The idea behind the utilization of celebrity is that featuring stars in advertising has special cultural importance, born from the unique way they have assembled an image thru varied sorts of media. In associating the celebrities with product, these special meanings are passed on the products or brands. In a tough market, a famous face can give a brand an additional appeal helping it to stand proud. Celebrities have particular configurations of meanings that can't found some place else.