“I’m Lovin’ It” was McDonald’s slogan for the 2003 campaign built around a Justin Timberlake recording.
McDonald’s introduced the campaign internationally in 2003. The phrase became one of the company’s most durable modern brand lines and was used across television, radio, packaging, restaurants, and digital marketing. Its wording was designed to sound conversational and emotionally positive rather than describing a specific menu item.
The campaign’s music became especially recognizable. Justin Timberlake recorded a vocal track associated with the campaign, while the production and songwriting involved several collaborators. The short melodic hook became a recurring audio signature in McDonald’s advertising.
The slogan is sometimes confused with McDonald’s earlier lines, including “You Deserve a Break Today,” which dates to the 1970s, and “We Love to See You Smile,” used in the 1980s. Those campaigns belong to different periods of the company’s advertising history.