Christopher Kevin Willis is an American singer, songwriter, and record producer. Although initially a gospel singer, he later received international attention for his collaborations with house music disc jockey David Guetta. Willis guest performed on his singles "Just a Little More Love", "Love Don't Let Me Go, "Love Is Gone", "Tomorrow Can Wait", "Everytime We Touch", "Would I Lie to You" and "Gettin' Over You".

Pierre David Guetta is a French DJ and record producer. He has sold over 10 million albums and 65 million singles globally, with more than 14 billion streams. In 2011, 2020, 2021 and 2023, Guetta was voted the number one DJ in the DJ Mag Top 100 DJs poll. In 2013, Billboard ranked his song "When Love Takes Over" as the number one dance-pop collaboration of all time.