Which singer appeared on the early recording associated with McDonald's “I'm Lovin' It” campaign?

Justin Timberlake appeared on the early recording associated with McDonald's “I'm Lovin' It” campaign.

The campaign was launched globally in 2003, and Timberlake recorded a song titled “I'm Lovin' It” connected with the advertising platform. The campaign's advertising version was much shorter and became especially recognizable through its recurring musical hook.

The partnership reflected McDonald's effort to connect its brand with contemporary popular music and youth culture. It also helped give the slogan an audio identity that could work across television, radio, and later digital media.

The campaign was not simply a Timberlake pop release: McDonald's used a commercial adaptation as part of a wider international marketing program. That distinction explains why the singer is associated with the campaign even though the advertising jingle is much briefer than the recording.