The Dragon's Den star appears in the 'One In A Million' video for ReConnected, who are signed to his record label.
'One In A Million' is released via Bannatyne Records on March 17.
Harry Mondryk, Max Mondryk and Matthew Fitzgerald support Little Mix on their current 22-date UK tour, which runs from January 24 to February 22.
The group are currently recording their debut album with writer/producer Tim Woodcock, who has previously worked with Gary Barlow, JLS, Eliza Doolittle, James Morrison and Jay Sean.
Formerly boyband Connected, the group reached the finals of the fourth series of Britain's Got Talent in 2010.