Since then, the business of celebrity endorsements has only grown.
Social media is crammed with famous folks advertising products and services of all sorts.
Other endorsements are a bit iffy.

Since the supplements were mostly caffeine, buyers just suffered a lot of sleepless nights (viaRadar Online).
Other notable names like Will Ferrell and Paula Deen have found themselves featured in ads without even knowing it.
Happily, the shady manufacturer was forced to shell out millions in reparations.

They might not actually use the product, and you could end up stuck with a lemon.