YouTube Live was a 2008 event streamed live on the Internet from San Francisco and Tokyo. It was hosted by a variety of YouTube celebrities, including The Black Eyed Peas rapper will.i.am, Tom Dickson of Will It Blend, Michael Buckley, The Happy Tree Friends, Fred, Smosh, Esmée Denters and singer Katy Perry, among others. On April 8, 2011, The channel was closed, effectively removing all videos. It was replaced by the YouTube live section page.

Jordanian Queen Rania was also honored at the event with the first ever YouTube Visionary Award for her efforts to combat stereotypes and misconceptions associated with Arabs and Muslims. With over 3 million views, Queen Rania created her own channel on YouTube in March 2008 to start an international conversation, which she called "unscripted, unedited and unfiltered".

As a sponsor for the event, Flip Video gave away a free Flip Video Mino to many of the audience members to record any of the event. A station to upload videos to YouTube from the Mino was also provided, and promoted, in sponsorship of Flip.

Abel Tesfaye (born February 16, 1990), better known by his stage name The Weeknd, is an R&BCanadian recording artist and record producer from Toronto. He began recording songs under The Weeknd and uploading them to YouTube in late 2010, though the identity of the individual behind the project was initially unknown. In March 2011, The Weeknd released a nine-song free album, House of Balloons which was critically acclaimed. The title track is based on a sample of Siouxsie and the Banshees' hit single "Happy House. The first album is a part of a trilogy which includes Thursday released in August of the same year and Echoes of Silence issued in December. In June, House of Balloons was named as one of ten shortlisted nominees of 2011 Polaris Music Prize but eventually lost to Arcade Fire's The Suburbs. On December 21, 2011 at 11:07 p.m. EST Tesfaye released his highly anticipated third mixtape Echoes of Silence. The Weeknd's site crashed shortly after due to the large number of downloads. The Weeknd quickly provided a Hulkshare link to keep the album available while the official site was down.

Jennifer Lynn Lopez (born July 24, 1969) is an American actress, businesswoman, dancer and recording artist. Often referred to as J.Lo, she is reportedly the highest earning actress of Latin descent. Born and raised in The Bronx, New York, she enrolled in singing and dancing classes as a child and grew up in a musically influenced household. She started her career as a fly girl on the television comedy program In Living Color and a back-up dancer for Janet Jackson. Lopez gained recognition in the action-thriller Money Train (1995). Her first leading role was in the biographical film Selena (1997), which was her breakthrough role, earning her an ALMA Award for Outstanding Actress and Golden Globe nomination. She earned her second ALMA Award for her performance in Out of Sight (1998), which made her the highest-paid Latin actress. She has since appeared in various films including The Cell (2000), The Wedding Planner (2001), Maid in Manhattan (2002), Shall We Dance? (2004), Monster-in-Law (2005), The Back-up Plan (2010) and What to Expect When You're Expecting (2012).

James Christian "Jimmy" Kimmel (born November 13, 1967) is an American comedian, actor, voice artist and television host. He is the host of Jimmy Kimmel Live!, a late-night talk show that airs on ABC. Prior to that, Kimmel was best known as the co-host of Comedy Central's The Man Show and Win Ben Stein's Money. Kimmel is also a television producer, having produced shows such as Crank Yankers, Sports Show with Norm Macdonald, and The Andy Milonakis Show.

Kimmel was born in the Mill Basin neighborhood of the New York City borough of Brooklyn, the eldest of three children of Joann (née Iacono), a homemaker, and James Kimmel, an IBM executive. He is Roman Catholic and, as a child, served as an altar boy. Kimmel is of German and Irish descent on his father’s side and Italian descent on his mother’s side. His uncle, Frank Potenza, appeared on Jimmy Kimmel Live! as a regular from 2003 until his death in 2011.

The family moved to Las Vegas, Nevada, when he was nine years old. He graduated from Ed W. Clark High School and then attended University of Nevada, Las Vegas for one year before attending Arizona State University for two years without completing a degree.

Miley Ray Cyrus (born Destiny Hope Cyrus; November 23, 1992) is an American actress and pop singer-songwriter. She achieved wide fame for her role as Miley Stewart/Hannah Montana on the Disney Channel sitcom Hannah Montana.

Cyrus recorded music for the soundtracks, Hannah Montana (2006) and Hannah Montana 2/Meet Miley Cyrus (2007), released by Walt Disney Records. With the success of the Hannah Montana franchise she established herself as a teen idol. In 2007, Cyrus signed to Hollywood Records to pursue a solo career. She embarked upon the Best of Both Worlds Tour the same year, in which she performed as both herself and in character as Hannah Montana. The tour was eventually turned into a high-grossing concert film titled Hannah Montana & Miley Cyrus: Best of Both Worlds Concert (2008). In July 2008, Cyrus released her first solo album, Breakout (2008), which was commercially successful.

She began her foray into film by providing the voice of "Penny" in the animated film Bolt (2008). Cyrus earned a nomination for the Golden Globe Award for Best Original Song for her performance of Bolt's theme song, "I Thought I Lost You". She also reprised her role as Miley Stewart/Hannah Montana in Hannah Montana: The Movie (2009). The Hannah Montana: The Movie' soundtrack introduced her to new audiences within country and adult contemporary markets.