Jameela Jamil (born 25 February 1986) is a British television presenter and model. She has appeared on various Channel 4 programmes, and has been a presenter of T4 since 2009.

Jamil, nickname "Jam-Jam", was born in Hampstead. . At school, Jamil says she was "bookish and shy [...] Back then it was all about comfort. I literally didn't care what I wore". Her interests include art and biology.

At the age of 17, Jamil was struck by a car, breaking several bones and damaging her spine. Jamil was confined to bed for a year; she weighed 126 pounds (57 kg) before the accident and gained 77 pounds (35 kg) while convalescing. She was told that she may never walk again, but after steroid treatment and physiotherapy she slowly recovered, using a Zimmer frame to start walking. She rapidly lost weight, returning to her original weight.

Jamil taught English to foreign students – including a nun and monk – at the Callan School of English, Oxford Street, London; she also worked as a model, a photographer, and as a fashion scout for Premier Model Management Limited.

Jennifer Shrader Lawrence (born August 15, 1990) is an American film and television actress. She had lead roles in TBS's The Bill Engvall Show and in the independent films The Burning Plain and Winter's Bone, for which she received nominations for the Academy Award, Golden Globe Award, Satellite Award, and the Screen Actors Guild Award. At age 20, she was the second youngest actress ever to be nominated for the Academy Award for Best Actress. She is also known for playing Mystique in X-Men: First Class. In 2012, Lawrence achieved wider recognition starring as the heroine Katniss Everdeen in The Hunger Games, an adaptation of Suzanne Collins' best-selling novel of the same name. Her performance in the film garnered her notable critical praise and marked her as the highest grossing action heroine of all time. Lawrence's performances thus far have prompted Rolling Stone to define her as "the most talented young actress in America."

Lawrence was born and raised in Louisville, Kentucky, and has two older brothers. Her parents are Karen (née Koch), who runs a children's camp, and Gary Lawrence, who once owned a concrete construction firm, Lawrence & Associates. She acted in local theater and, by the age of 14, had decided to pursue an acting career, persuading her parents to take her to New York City to find a talent agent. Prior to finding success in Hollywood, Lawrence attended Kammerer Middle School. She graduated from high school two years early with a 3.9 average in order to begin a career in acting. While growing up and in between acting, Lawrence served as an assistant nurse at the children's summer day camp that her mother ran.

Nicholas Peter "Nick" Grimshaw (born 14 August 1984), also known as Grimmy and G-Munni is a British television and radio presenter. He has presented shows for Channel 4, E4, BBC One, BBC Two and Channel 4 youth strand T4. Currently he appears on the television channel Channel 4 and hosts two radio shows on BBC Radio 1, on Mondays to Thursdays - 10 pm to Midnight, and on Sundays - 10 pm to Midnight with Annie Mac.

Born in St Mary's Hospital in Manchester, he was brought up in nearby Oldham and attended Our Lady's R.C. High School in Royton. Early work career included a Saturday job at Madeleine Lindley Ltd. Grimshaw attended the University of Liverpool, leaving in 2005.

Demetria Devonne "Demi" Lovato (born August 20, 1992) is an American singer-songwriter, musician, and actress. Her earliest roles included Angela on Barney & Friends, before she became better known for her starring roles in the Camp Rock movies, as Sonny Munroe in the Disney sitcom Sonny with a Chance, and as the star of the 2009 movie Princess Protection Program. She is also involved in philanthropic activities through charity work and various social and environmental causes.

As a solo musical artist, Lovato released her debut album Don't Forget on September 23, 2008. The album debuted at number two on the Billboard 200 selling 89,000 copies in the first week. It has since shipped over 500,000 copies, earning a gold certification in the United States. Lovato released her second album, Here We Go Again, on July 21, 2009. The album debuted at number one on the Billboard 200, selling 108,000 copies in the first week. Her third studio album, Unbroken, was released on September 20, 2011 and peaked at number four on the Billboard 200. She is working on her fourth studio album.

Jessica Ellen Cornish (born 27 March 1988), better known by her stage name Jessie J, is an English singer and songwriter. Born and raised in London, she studied at the BRIT School before signing with Gut Records and striking a songwriting deal with Sony/ATV Music Publishing where she wrote for artists such as Chris Brown and Miley Cyrus.

Signed with Universal, Jessie J came to prominence following the release of her debut single "Do It Like a Dude" which peaked at number two on the UK Singles Charts. After scoring her first number one in the United Kingdom, France, Ireland and New Zealand with the song "Price Tag", she released her debut album Who You Are (2011) which charted at number two in the UK. Other releases from the album include "Nobody's Perfect", "Who's Laughing Now" and "Who You Are" which charted within the top 20 in the UK but the release of fifth single "Domino" spawned international chart success, peaking at number 6 on the Billboard Hot 100 in the US, and becoming her second UK number one. Aside from her musical career, Jessie J is currently a coach and mentor on television show The Voice UK.