Cleopatra Humphrey (born November 4, 1988), better known by her stage name Mz. Bratt, is an English Grime recording artist.

Humphrey was born in Bow, London. Later, she moved to Hainault and started producing her music. Her talent impressed the urban producer Terror Danjah who took her under their wing after hearing her at local MC battles and seeing her Myspace profile. Mz. Bratt was selected to be part of the T4 entertainment show the Musicool, in which she was the lead female, at one point reducing guest judge Jamelia to tears with her exceptional talent and vocal ability. Following this, Mz. Bratt embarked on a US and European tour with The Count & Sinden, which included shows at the Glastonbury Festival and at Bestival.

Mz. Bratt's first single, "Who Do You Think You Are?", was released on All Around the World Productions on 27 July 2009, and received plays on BBC Radio 1 and BBC Radio 1Xtra. The second single, "I Like You", followed in November, and was also played by Radio 1Xtra.

In February 2010, Mz. Bratt joined a new collective group formed by Wiley called A-List.

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

Mars had an unsuccessful stint with Motown Records, but then signed with Atlantic Records in 2009. He became recognized as a solo artist after lending his vocals and co-writing the hooks for the songs "Nothin' on You" by B.o.B, and "Billionaire" by Travie McCoy. He also co-wrote the hits "Right Round" by Flo Rida featuring Ke$ha, and "Wavin' Flag" by K'naan. In October 2010, he released his debut album, Doo-Wops & Hooligans. Anchored by the worldwide number-one singles "Just the Way You Are" and "Grenade", the album peaked at number three on the Billboard 200. Mars was nominated for seven Grammys at the 53rd Grammy Awards, winning Best Male Pop Vocal Performance for "Just the Way You Are".

Dionne Julia Bromfield (born 1 February 1996 in London) is a British soul singer-songwriter and TV Presenter. Bromfield's debut album, Introducing Dionne Bromfield, was released in 2009 by Amy Winehouse's Lioness Records label. She first came to public attention after performing on the British TV show, Strictly Come Dancing with Amy Winehouse on backing vocals.

Bromfield was born on 1 February 1996 in Tower Hamlets, East London, an only child to an English mother and a Jamaican father. Bromfield grew up in Chislehurst, South London, and attended Beaverwood School for Girls in Chislehurst until 2009. Bromfield first appeared on YouTube singing a cover of Alicia Keys song "If I Ain't Got You" with her godmother Amy Winehouse. She attends the Sylvia Young Theatre School in Westminster and is currently in Year 11.

In September 2009, Bromfield was the first artist to be signed to Winehouse's record label, Lioness Records. On 25 September 2009, Bromfield performed alongside Winehouse at the The Prince's Trust End of the Summer Ball and, on 10 October, Bromfield performed a cover of The Shirelles' 1960s hit "Mama Said", while Winehouse appeared as a backing singer on the British television show Strictly Come Dancing.