Enrique Iglesias (born Enrique Miguel Iglesias Preysler; May 8, 1975) is a Spanish singer, songwriter and occasional actor, popular in both the Latin market and the Hispanic American market in the United States. He is the son of the famous Spanish singer Julio Iglesias. Within five years of beginning his musical career in the 1990s, he became the biggest seller of Spanish-language albums of that decade. He made his crossover into the mainstream English language market before the turn of the millennium, signing a multi-album deal with Universal Music Group for an unprecedented US$50,000,000 with Universal Music Latino to release his Spanish albums and Interscope to release English albums. In 2010, he parted with Interscope and signed with another Universal Music Group label, Universal Republic.

Iglesias has sold over 100 million records worldwide, making him one of the best selling Spanish language artists of all time. He has had five Billboard Hot 100 top five singles, including two number-ones, and holds the record for producing 22 number-one Spanish-language singles on the Billboard's Hot Latin Tracks. He has also had ten number-one songs on Billboard's Dance charts, more than any other single male artist. Altogether, Iglesias has amassed 55 number-one hits on the various Billboard charts. Billboard has called him The King of Latin Pop and The King of Dance. Billboard also named Enrique the number two Latin artist of the years 1986–2011 (Luis Miguel taking the first spot).

Mariah Carey (born March 27, 1970) is an American singer, songwriter, record producer, and actress. She made her recording debut in 1990 under the guidance of Columbia Records executive Tommy Mottola, and released her self-titled debut studio album, Mariah Carey. The album went multi-platinum and spawned four consecutive number one singles, on the U.S. Billboard Hot 100 chart. Following her marriage to Mottola in 1993, a series of hit records, including Emotions (1991), Music Box (1993) and Merry Christmas (1994), established her position as Columbia's highest-selling act. Daydream (1995), made music history when the second single, "One Sweet Day" a duet with Boyz II Men, spent a record sixteen weeks on top of the Billboard Hot 100, and remains the longest running number one song in US chart history. During the recording of the album Carey began to deviate from her pop background, and slowly traversed into R&B and Hip-hop. After her separation from Mottola, this musical change was evident with the release of Butterfly (1997).

Britney Jean Spears (born December 2, 1981) is an American recording artist and entertainer. Born in McComb, Mississippi, and raised in Kentwood, Louisiana, Spears began performing as a child, landing acting roles in stage productions and television shows. She signed with Jive Records in 1997 and released her debut album ...Baby One More Time in 1999, which became the best-selling album by a teenage solo artist. During her first decade in the music industry, she became a prominent figure in mainstream popular music and popular culture, followed by a much-publicized personal life. Her first two albums established her as a pop icon and broke sales records, while title tracks "...Baby One More Time" and "Oops!... I Did It Again" became international number-one hits. Spears was credited with influencing the revival of teen pop during the late 1990s, and became the 'best-selling teen aged artist of all time' before she turned 20, garnering her the honorific title of "Princess of Pop".