Which McDonald’s slogan, launched in 2003, became the brand’s global catchphrase?

“I’m Lovin’ It” became McDonald’s global catchphrase after its launch in 2003.

The campaign marked a shift toward a short, internationally adaptable expression built around enjoyment and everyday experience. McDonald’s used the phrase across advertising, packaging, restaurants, and sponsorships, making it one of the company’s most persistent branding platforms.

The campaign also used a song associated with Justin Timberlake, while the advertising concept was developed through McDonald’s agency network. The phrase’s informal grammar was intentional: it was designed to sound conversational rather than like a formal corporate promise.

People sometimes confuse the campaign’s music performer with the slogan’s creator. Timberlake was connected with the campaign’s song and advertising, but the phrase itself is McDonald’s brand line.