One Direction

One Direction are an English-Irish group, consisting of members Niall Horan, Zayn Malik, Liam Payne, Harry Styles, and Louis Tomlinson. They signed with Simon Cowell's record label Syco Records after being formed and finishing third in the seventh series of British television singing competition The X Factor in 2010. They subsequently signed in the United States with Columbia Records. Becoming a prominent figure in mainstream popular music and popular culture, their two albums Up All Night (2011) and Take Me Home (2012), broke several records, topped the charts of most major markets, and generated worldwide chart-topping singles, including "What Makes You Beautiful" and "Live While We're Young".

Wiz Khalifa

Cameron Jibril Thomaz (born September 8, 1987), better known by the stage name Wiz Khalifa, is an American rapper. He released his debut album, Show and Prove, in 2006, and signed to Warner Bros. Records in 2007. His Eurodance-influenced single, "Say Yeah", received urban radio airplay, charting on the Rhythmic Top 40 and Hot Rap Trackscharts in 2008. Khalifa parted with Warner Bros. and released his second album, Deal or No Deal, in November 2009. He released the mixtape Kush and Orange Juice as a free download in April 2010; he then signed with Atlantic Records He is also well known for his debut single for Atlantic, "Black and Yellow", which peaked at number 1 on theBillboard Hot 100. His debut album for the label, Rolling Papers, was released on March 29, 2011.

Christina Aguilera

Christina María Aguilera (born December 18, 1980) is an American singer-songwriter, record producer, television personality, and actress. Born in Staten Island, New York, Aguilera sang the "The Star-Spangled Banner" at parties in her hometown, leading her to appear on national television as a contestant on Star Search in early 1990. She also later starred in The Mickey Mouse Club from 1993 to 1994. After recording "Reflection", the theme song for the animated film Mulan (1998), she signed with RCA Records. Aguilera's debut studio album, Christina Aguilera (1999), was a commercial success, with singles "Genie in a Bottle", "What a Girl Wants", and "Come On Over Baby (All I Want Is You)" all topping the Billboard Hot 100.