What phrase became McDonald's first global tagline when it launched in 2003?

“I'm Lovin' It” became McDonald's first global tagline when the company launched it in 2003. The phrase was designed to create one adaptable campaign across international markets.

The campaign used the “ba da ba ba ba” audio signature and featured music associated with Justin Timberlake. McDonald's adopted the English phrase worldwide, while advertisements could still be localized for language, culture, and market conditions.

The slogan followed earlier McDonald's campaigns such as “You Deserve a Break Today,” which was a major American advertising line but not the company's first global tagline. Burger King's “Have It Your Way” belongs to a different fast-food brand.

The campaign expressed a casual, personal reaction to the food rather than a claim about speed or price. That helped McDonald's connect its visual identity with a short verbal and musical signature.