McDonald’s introduced the advertising slogan “I’m Lovin’ It” globally in 2003.
The campaign was created for McDonald’s by the German advertising agency Heye & Partner and was adapted for markets around the world. Its short, conversational wording was designed to sound natural in many languages, while the accompanying jingle gave the campaign a recognizable musical identity.
The slogan became one of McDonald’s most durable branding elements and was paired with the company’s Golden Arches and red-and-yellow visual identity. It is often confused with earlier McDonald’s slogans, especially “You Deserve a Break Today,” which dates from the 1970s.
The campaign is also notable because the pop musician Justin Timberlake appeared in an early promotional version of the jingle. The slogan’s continued use helped connect McDonald’s historic advertising style with a more contemporary, globally consistent brand.