Justin Timberlake provided the lead vocal for McDonald’s “I’m lovin’ it” campaign song launched in 2003.
The campaign introduced the phrase as a major global McDonald’s brand message. Timberlake recorded the vocal associated with the campaign song, while the phrase and jingle were adapted for advertising in multiple markets and languages.
The campaign was developed internationally and became one of McDonald’s most durable branding efforts. The wording was designed to sound conversational and upbeat rather than like a formal product claim, helping it work across television, radio, packaging, and restaurant promotions.
Timberlake’s involvement is sometimes confused with the campaign’s songwriting and production credits, which involved several other people and agencies. His role here refers specifically to the recognizable lead vocal performance.