Donald Trump

Donald John Trump, Sr. (born June 14, 1946) is an American businessperson and media personality. He is the chairman and president of The Trump Organization and the founder of Trump Entertainment Resorts. Trump's career, branding efforts, personal life, wealth, and outspoken manner have made him famous throughout the country. Since 2015, he is also a candidate for the Republican nomination for President of the United States in the 2016 election.

Trump is a native of New York City and a son of Fred Trump, who inspired him to enter real estate development. After two years at Fordham University and while studying at Wharton School of the University of Pennsylvania, Trump worked for his father's firm, Elizabeth Trump & Son. Upon graduating in 1968 he joined the company, and in 1971 was given control, renaming the company "The Trump Organization". Since then he has built hotels, golf courses, and other properties, many of which bear his name. He is a major figure in the American business scene and has received prominent media exposure. The NBC reality show The Apprentice bolstered his fame, and his three marriages were extensively reported in tabloids.

Justin Bieber

Justin Drew Bieber (/ˈbiːbər/; born March 1, 1994) is a Canadian singer, songwriter, and record producer. Bieber released his debut EP, My World, in late 2009. It was certified platinum in the U.S. He became the first artist to have seven songs from a debut record chart on the Billboard Hot 100. Bieber released his first full-length studio album, My World 2.0, in 2010. It debuted at or near number one in several countries and was certified triple platinum in the U.S. It was preceded by his most successful single to date, "Baby".

Following his debut album, he had his first headlining tour, the My World Tour, released the remix albums My Worlds Acoustic and Never Say Never – The Remixes -- and the 3D biopic-concert film Justin Bieber: Never Say Never. He released his second studio album, Under the Mistletoe, in November 2011, when it debuted at number one on the Billboard 200. Bieber released his third studio album, Believe, in 2012. His fourth studio album Purpose was released in November 2015. His U.S. album and singles sales total 44.7 million.

Justin Timberlake

Justin Randall Timberlake (born January 31, 1981) is an American singer, songwriter, actor, and record producer. He appeared on the television shows Star Search and The All-New Mickey Mouse Club as a child. In the late 1990s, Timberlake rose to prominence as one of the two lead vocalists and youngest member of NSYNC, which eventually became one of the best-selling boy bands of all time. They released the albums NSYNC (1998), No Strings Attached (2000), and Celebrity (2001). During the group's hiatus, Timberlake released his debut solo album, the R&B-focused Justified (2002), which included the successful singles "Cry Me a River" and "Rock Your Body", and earned his first two Grammy Awards.

His second record, FutureSex/LoveSounds (2006), distinguished from his previous release by its wide range of musical influences, debuted atop the US Billboard 200 and produced the Billboard Hot 100 number-one singles "SexyBack", "My Love", and "What Goes Around... Comes Around". With his first two albums exceeding sales of 10 million copies worldwide, he was established as one of the most commercially successful singers of the decade. He also has collaborated with other artists, including Timbaland ("Give It to Me") and Madonna ("4 Minutes"). From 2008 through 2012, Timberlake focused on his acting career, effectively putting his music career on hiatus; he held starring roles in the films The Social Network, Bad Teacher, In Time, and Friends with Benefits.

Bruno Mars

Peter Gene Hernandez (born October 8, 1985), professionally known by his stage name Bruno Mars, is an American singer, songwriter, record producer, and choreographer. Born and raised in Honolulu, Hawaii, by a family of musicians, Mars began making music at a young age and performed in various musical venues in his hometown throughout his childhood. He graduated from high school and moved to Los Angeles to pursue a musical career. Mars produced songs for other artists, co-founding the production team The Smeezingtons.

Mars had an unsuccessful stint with Motown Records, but then signed with Atlantic in 2009. He became recognized as a solo artist after lending his vocals to the songs "Nothin' on You" by B.o.B, and "Billionaire" by Travie McCoy, which were international successes, and for which he co-wrote the hooks. His debut studio album, Doo-Wops & Hooligans (2010), was anchored by the U.S. Billboard Hot 100 chart-topping singles "Just the Way You Are" and "Grenade", as well as the number-five single "The Lazy Song". His second album, Unorthodox Jukebox, released in 2012, peaked at number one in the United States. The album spawned the international singles "Locked Out of Heaven", "When I Was Your Man" and "Treasure".

Dave Matthews

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David John "Dave" Matthews (born January 9, 1967) is a South African-born American singer-songwriter, musician and actor, best known as the lead vocalist, songwriter, and guitarist for the Dave Matthews Band. Matthews was born in Johannesburg, South Africa and moved to Westchester County, New York at the age of 2. Matthews mainly plays acoustic guitar, which he started playing at age 9.

From 1991 to 2003, Matthews predominantly focused on songwriting and performing with the Dave Matthews Band, which he started in Charlottesville, Virginia in 1991. Since then, he has also done various solo performances and produced other records. During the period from 2000 to 2010, his band sold more tickets and earned more money than any other act in North America. The band's most recent album, Away from the World, released in 2012, made them the only group to have six consecutive studio albums debut at number one on the Billboard charts.