Listen to Bet She's Not Your Girlfriend (2018 Remaster) (2018 Remaster) online. Bet She's Not Your Girlfriend (2018 Remaster) (2018 Remaster) is an English language song and is sung by Pet Shop Boys. Bet She's Not Your Girlfriend (2018 Remaster) (2018 Remaster), from the album Behaviour: Further Listening 1990 - 1991 (2018 Remaster), was released in the year 1990. The duration of the song is 4:30. Download English songs online from JioSaavn.