Which three words became McDonald’s global advertising slogan in 2003?

“I’m lovin’ it” became McDonald’s global advertising slogan in 2003.

The phrase was introduced as part of a worldwide campaign designed to give McDonald’s a more consistent contemporary voice. It was paired with a distinctive musical hook and appeared across television, radio, packaging, restaurants, and other marketing materials.

The slogan is often discussed alongside the song associated with the campaign. Justin Timberlake recorded a vocal version of “I’m Lovin’ It,” while the advertising music was developed through a larger commercial production process. The slogan itself, however, is the short phrase used as the brand platform.

Its significance was international consistency. Earlier McDonald’s campaigns often used different slogans in different markets, whereas “I’m lovin’ it” was built for broad global recognition. The phrase remains one of the company’s most durable branding lines and is closely tied to the modern McDonald’s identity.