|I've seen worse.|
I'd like to propose Rule #34 of Advertising: "If it pops up in a Creative Director's imagination, and the client has enough budget, there's an ad of it."
And so I give you Sarah Silverman being romanced by an Aerosmith-lip-synching dude in a unicorn fursuit for Juicy Fruit:
Well, okay then.
Serenading Unicorn also does Devo (with Keenan Cahill) and Coolio:
Is this really what it takes to sell gum these days? Maybe it is...