McDonald’s launched the worldwide “I’m Lovin’ It” branding campaign in 2003.
The campaign marked a major shift toward a short, globally adaptable phrase that could work across languages, media formats, and markets. Its branding included the familiar “ba da ba ba ba” musical hook, which became closely associated with McDonald’s advertising.
The campaign was developed through international marketing work involving several agencies and was launched with advertising featuring Justin Timberlake. The phrase was used in television commercials, radio, packaging, restaurant materials, and other communications around the world.
“I’m Lovin’ It” is sometimes mistaken for an older McDonald’s slogan such as “You Deserve a Break Today” or “We Love to See You Smile.” Those lines belong to earlier campaigns. The 2003 launch established “I’m Lovin’ It” as one of the company’s most enduring modern brand platforms.