Marti Pellow (born Mark McLachlan; 23 March 1965) is a Scottish singer. He was the lead singer of the Scottish pop group Wet Wet Wet for 28 years: from their formation in 1982 until their split in 1997, and again from their reformation in 2004 to his departure in 2017. He has also recorded albums as a solo artist, and performed as an actor in musical theatre productions in both the West End and on Broadway.