Junior Senior were a Danish pop duo. The duo consisted of Jesper "Junior" Mortensen (vocals, guitar, keyboards, bass guitar, drums, percussion) (born 7 February 1977) and Jeppe "Senior" Laursen (vocals, programming) (born 25 December 1975). They were well known for their 2002 single "Move Your Feet", which gained worldwide success in 2003, most notably in the United Kingdom.
Junior Senior formed in 1998 when Jesper Mortensen and Jeppe Laursen got back together after their previous band Ludo-X broke up in 1995. The band signed a deal with Danish label Crunchy Frog Records.
The band released their debut album D-D-Don't Don't Stop the Beat in 2002. The first single, "Move Your Feet", was one of the most played songs on Danish radio and eventually climbed the charts in over thirteen countries, including the United States, Australia, France, and the United Kingdom. The single is available on the soundtrack of the popular American television show Queer Eye for the Straight Guy. "Move Your Feet" is featured on the Northern American music video game Dance Dance Revolution Extreme for the PlayStation 2. Ubisoft included the song in the Wii game, Just Dance 2. It was a featured dance. It is associated with its animated pixel art music video, as seen in the VH1 commercial for I Love the 90's: Part Deux and in the background of its Dance Dance Revolution: DDR Extreme dance. It was featured on the soundtrack of the movie, White Chicks. "Move Your Feet" appears as background music in the 2003 film Looney Tunes: Back in Action and is featured in the movie How to Eat Fried Worms (2006) as the "finishing" song before and during the end credits. In 2013, "Move Your Feet" was used in a television commercial for Google Chromebook. Kohl's Active also used this song in their 'bust a brand new move' advert (2015).