Pet Shop Boys are a London-based synth-pop duo formed in 1981, made up of Neil Tennant and Chris Lowe. Renowned for their unique sound and sharp lyricism, they have sold over 100 million records worldwide and hold the title of most successful UK music duo according to the Guinness Book of Records. Their extensive catalog includes iconic number-one hits such as West End Girls, It's a Sin, Always on My Mind, and Heart, along with popular tracks like Go West and What Have I Done to Deserve This. As key figures in the Second British Invasion, they have achieved major chart success both in the UK and internationally. Pet Shop Boys have received multiple Brit Awards, including one for Outstanding Contribution to Music, and were named Billboard's top dance duo or group. Their influence has been further recognized with the NME Godlike Genius Award and the MTV Europe Pop Pioneers award.