Leigh Izaak Francis, who is often known by the name of a character he plays, Keith Lemon, is an English television presenter, actor, writer, and comedian. He is best known for creating and starring in Channel 4's sketch comedy show Bo' Selecta! (2002–2009) and presenting the ITV shows Celebrity Juice (2008–2022) and Through the Keyhole (2013–2019). His other comedy shows include Lemon La Vida Loca (2012–2013), The Keith Lemon Sketch Show (2015–2016), and The Keith & Paddy Picture Show (2017–2018).

Lemon La Vida Loca is a British mock reality show created and written by, and starring, comedian Leigh Francis and actress Laura Aikman. The show's title is derived from Ricky Martin's 1999 hit single, "Livin' la Vida Loca".