Kylie Kristen Jenner (born August 10, 1997) is an American reality television personality, host, model, and brand ambassador for Seventeen Magazine. She is best known for starring in Keeping Up with the Kardashians, the E! reality series that she shares with her family.

Kylie Jenner is the youngest daughter of Kris and Olympic athlete Bruce Jenner. She has an older sister, Kendall Jenner. Through her mother, she has three older half-sisters: Kourtney Kardashian, Kim Kardashian, Khloé Kardashian Odom, and one older half-brother, Rob Kardashian. Through her father, she has three older half-brothers: Burt Jenner, Brandon Jenner, Brody Jenner and a half-sister, Casey Jenner. All together she has 4 half-brothers. She also has one nephew, Mason Dash Disick, who is Kourtney Kardashian's son with boyfriend Scott Disick and two nieces, Francesca and Isabella Marino, who are her sister Casey's daughters.She studies in Sierra Canyon School .She currently is working as a model and a brand ambassador for Seventeen Magazine alongside her older sister, Kendall Jenner. She was also featured in Teen Vogue.

Jaden Christopher Syre Smith (born July 8, 1998) is an American child actor, rapper, songwriter, dancer, and the son of Will Smith and Jada Pinkett Smith. He is the elder brother of singer Willow Smith. His breakthrough role was in the 2006 film The Pursuit of Happyness, and he has also starred in the remakes of The Day the Earth Stood Still and The Karate Kid.

Jaden made a cameo along with his older brother Trey Smith in the 2002 sequel of Men in Black. Smith then made his major role debut in the 2006 film The Pursuit of Happyness as Christopher, the son of Will Smith's character, Chris Gardner. For his role, Smith won the award for the Best Breakthrough Performance at the 2007 MTV Movie Awards. At the 79th Academy Awards, Smith presented the award for the Best Animated Short and the Best Live Action Short, along with acting nominee Abigail Breslin. Smith next appeared as Jacob in the 2008 Scott Derrickson science fiction film, The Day the Earth Stood Still, a remake of the 1951 classic of the same name

Justin Drew Bieber ( /ˈbiːbər/ BEE-bər, born March 1, 1994) is a Canadian Pop/R&B singer-songwriter, musician, and actor. Bieber was discovered in 2008 by Scooter Braun, who came across Bieber's videos on YouTube and later became his manager. Braun arranged for him to meet with Usher in Atlanta, Georgia, and Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid. Bieber's debut single, "One Time", was released in 2009 and peaked in the top twenty in Canada and charted in the top thirty in several international markets. His debut album, the seven-track EP My World, followed in November 2009, and was soon certified platinum in the United States. He became the first artist to have seven songs from a debut album chart on the Billboard Hot 100.

Cody Robert Simpson (born 11 January 1997) is an Australian pop singer from Gold Coast, Queensland, who is currently signed to US record label Atlantic Records.

Simpson was born to Brad and Angie Simpson. He has two younger siblings, Tom and Alli. He is also a talented swimmer, winning two gold medals at the Queensland Swimming Championships. Simpson trained at the Miami Swimming Club under coach Ken Nixon. Simpson's mother Angie works as a volunteer at the club.

Simpson began to record songs in his bedroom during the summer of 2009 on YouTube, performing "I'm Yours" by Jason Mraz, "Cry Me a River" and "Señorita" by Justin Timberlake, "I Want You Back" by the Jackson 5, and his own songs, "One" and "Perfect". He was subsequently discovered on YouTube by Shawn Campbell, a Grammy-nominated record producer who has produced for Jay-Z and other artists.

Simpson's rise to recognition was featured on The 7.30 Report in December 2009. He released his debut single, "iYiYi" (which features American rapper Flo Rida), on 15 May 2010. It was digitally released on 30 May 2010. The music video for "iYiYi" was released on 30 June 2010.

Ryan John Seacrest (born December 24, 1974) is an American radio personality, television host and producer. He is known internationally as host of the top-rated primetime talent showcase American Idol. He has been nominated for an Emmy award in the "Outstanding Host for a Reality or Reality-Competition Program" category for his work on American Idol. He won a Daytime Emmy Award for co-hosting the 2005 Walt Disney World Christmas Day Parade with Regis Philbin and Kelly Ripa. As a television producer, Seacrest has won an Emmy for the ABC show Jamie Oliver’s Food Revolution. On radio, Seacrest is host of On Air with Ryan Seacrest, his market-topping #1 nationally syndicated LA morning drive-time radio show for Clear Channel’s 102.7 KIIS-FM. , as well as a nationally-syndicated Top 40 radio show. Seacrest hosted the 59th Primetime Emmy Awards on September 16, 2007. Seacrest has extensive deals with brand heavyweights Proctor & Gamble, Coca-Cola and Microsoft, and has a strategic marketing and technology alliance with Eventful, Inc.