What advertising slogan did McDonald’s launch nationally in 2003?

McDonald’s launched the advertising slogan “I’m Lovin’ It” nationally in 2003.

The campaign was introduced internationally in September 2003 and became McDonald’s first global advertising campaign. Its wording used an informal, upbeat expression intended to connect food, music, and everyday enjoyment.

The campaign is strongly associated with a short musical hook performed by Justin Timberlake. The phrase was also adapted across languages and markets while retaining the English wording in many places, helping it function as a unified global identity.

“I’m Lovin’ It” replaced earlier McDonald’s slogans in prominence, including “You Deserve a Break Today.” It remains distinct from product names and temporary promotions: it is a corporate advertising platform rather than the name of a menu item.