McDonald’s introduced the slogan “I’m Lovin’ It” in 2003 as a major global advertising tagline.
The campaign began internationally with television, radio, print, and outdoor advertising. Its English wording was paired with the distinctive “ba da ba ba ba” musical hook, which helped connect separate advertisements across markets. Rapper Pusha T has said he helped write the original jingle, while Justin Timberlake performed in an early campaign song.
The phrase was designed to be adaptable: McDonald’s translated or localized it in some countries while retaining the same campaign identity. It replaced older slogans such as “You Deserve a Break Today,” which had been prominent in the United States during the 1970s.
A common mix-up is treating “I’m Lovin’ It” as the name of a menu item. It is a marketing slogan, not a product or corporate name.