American band The Killers are joined by The Pet Shop Boys as they perform the Saturday headline slot at Glastonbury Festival in Somerset, Britain June 29, 2019. REUTERS/Henry Nicholls 

American band The Killers are joined by The Pet Shop Boys as they perform the Saturday headline slot at Glastonbury Festival in Somerset, Britain June 29, 2019. REUTERS/Henry Nicholls 

Neil Tennant of the Pet Shop Boys performs during a concert at the Rock in Rio Music Festival in Rio de Janeiro, Brazil September 15, 2017. REUTERS/Pilar Olivares 

Neil Tennant of the Pet Shop Boys performs during a concert at the Rock in Rio Music Festival in Rio de Janeiro, Brazil September 15, 2017. REUTERS/Pilar Olivares 

A boy caresses a dog at a pet shop in Lima, July 24, 2015. REUTERS/Mariana Bazo

Boys wash their pet goat next to motorcycle spare parts shops in the old quarters of Delhi August 7, 2014. REUTERS/Anindito Mukherjee (INDIA - Tags: SOCIETY ANIMALS) 

The Pet Shop Boys perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Ralph Orlowski (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boys perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Ralph Orlowski (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boys perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Kai Pfaffenbach (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boys perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Kai Pfaffenbach (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boys perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Kai Pfaffenbach (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boy's perform during the Volkswagen group night at the Frankfurt motor show September 9, 2013. The world's biggest auto show is open to the public September 14 -22. REUTERS/Kai Pfaffenbach (GERMANY - Tags: BUSINESS TRANSPORT)

The Pet Shop Boys perform to athletes and spectators during a parade of British Olympic and Paralympic athletes in front of Buckingham Palace in central London September 10, 2012. Tens of thousands of Britons took to the streets of London on Monday to cheer Olympic and Paralympic athletes, celebrating a summer of spectacular sport that surprised even the most optimistic by lifting the host nation's mood. REUTERS/Shaun Botterill/Pool (BRITAIN - Tags: ENTERTAINMENT SPORT ATHLETICS SOCIETY OLYMPICS) 

The Pet Shop Boys during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012. REUTERS/Phil Noble (BRITAIN - Tags: OLYMPICS SPORT TPX IMAGES OF THE DAY)

Pet Shop Boys perform during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012. REUTERS/Sergio Moraes (BRITAIN - Tags: OLYMPICS SPORT)

The Pet Shop Boys during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012. REUTERS/Kai Pfaffenbach (BRITAIN - Tags: SPORT OLYMPICS)

The Pet Shop Boys during the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012. REUTERS/Phil Noble (BRITAIN - Tags: SPORT OLYMPICS)

Members of the Pet Shop Boys perform during the pre-show at the closing ceremony of the London 2012 Olympic Games at the Olympic Stadium August 12, 2012. REUTERS/David Gray (BRITAIN - Tags: SPORT OLYMPICS ENTERTAINMENT)

A boy sleeps beside fish heads as his mother works to extract meat from them, at a fish market in Jakarta June 1, 2011. A worker earns 60,000 rupiah ($7) a day for collecting about 50 kg of meat, according to a worker. The meat is used in the manufacture of fish and pet food. REUTERS/Supri (INDONESIA - Tags: AGRICULTURE SOCIETY IMAGES OF THE DAY BUSINESS) 

Neil Tennant of British pop duo Pet Shop Boys performs during the German game show "Wetten Dass" (Bet it...?) in Erfurt February 27, 2010. Wetten Dass is one of the most popular Saturday night programmes in Germany. REUTERS/Johannes Eisele (GERMANY - Tags: ENTERTAINMENT) 

Neil Tennant (L) and Chris Lowe of the British band Pet Shop Boys perform during the German game show "Wetten Dass" (Bet it...?) in Erfurt February 27, 2010. Wetten Dass is one of the most popular Saturday night programmes in Germany. REUTERS/Johannes Eisele (GERMANY - Tags: ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin, December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin, December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin, December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin, December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin, December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert in Berlin December 5, 2009. REUTERS/Fabrizio Bensch (GERMANY ENTERTAINMENT) 

The Pet Shop Boys perform during the Virgin Music Festival at the Molson Amphitheatre in Toronto August 30, 2009. REUTERS/Jill Kitchener (CANADA ENTERTAINMENT) 

Pet Shop Boys lead singer Neil Tennant performs during the Virgin Music Festival at the Molson Amphitheatre in Toronto, August 30, 2009. REUTERS/Jill Kitchener (CANADA ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT) 

Singer Neil Tennant of Pet Shop Boys performs during a concert as part of their "Pandemonium" tour at Poble Espanyol in Barcelona July 7, 2009. REUTERS/Albert Gea (SPAIN ENTERTAINMENT IMAGES OF THE DAY) 

The Pet Shop Boys perform during the Brit Awards at Earls Court in London February 18, 2009. REUTERS/Dylan Martinez (BRITAIN) 

The Pet Shop Boys perform during the Brit Awards at Earls Court in London February 18, 2009. REUTERS/Dylan Martinez (BRITAIN) 

The Pet Shop Boys perform with Brandon Flowers (C), lead singer of The Killers, during the Brit Awards at Earls Court in London February 18, 2009. REUTERS/Dylan Martinez (BRITAIN) 

The Pet Shop Boys perform with Brandon Flowers (2nd R), lead singer of The Killers, and Lady Gaga during the Brit Awards at Earls Court in London February 18, 2009. REUTERS/Dylan Martinez (BRITAIN) 

Pet Shop Boys perform during the Brit Awards at Earls Court in London February 18, 2009. REUTERS/Dylan Martinez (BRITAIN) 

RNPS IMAGES OF THE YEAR 2007 - ENTERTAINMENT - Chris Lowe (L) and Neil Tennant of the British duo "Pet Shop Boys" perform during a concert at the 8th Freedom Festival in Malaga in southern Spain late August 2, 2007. REUTERS/ Jon Nazca (SPAIN) 

Neil Tennant of the British duo Pet Shop Boys performs during a concert at the 8th Freedom Festival in Malaga, southern Spain late August 2, 2007. REUTERS/ Jon Nazca (SPAIN) 

Neil Tennant of the British duo Pet Shop Boys performs during a concert at the 8th Freedom Festival in Malaga, southern Spain late August 2, 2007. REUTERS/ Jon Nazca (SPAIN) 

Neil Tennant (L) of the British duo Pet Shop Boys performs with Sylvia Mason James during a concert at the 8th Freedom Festival in Malaga, southern Spain late August 2, 2007. REUTERS/ Jon Nazca (SPAIN) 

Chris Lowe (L) and Neil Tennant of the British duo "Pet Shop Boys" perform during a concert at the 8th Freedom Festival in Malaga in southern Spain late August 2, 2007. REUTERS/ Jon Nazca (SPAIN) 

Christopher Lowe (L) and Neil Tennant of the band "Pet Shop Boys" perform during a concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Christopher Lowe (L) and Neil Tennant of the band "Pet Shop Boys" perform during a concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Neil Tennant (L) and Christopher Lowe of the band "Pet Shop Boys" perform during a concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Neil Tennant of the band "Pet Shop Boys" performs during a concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Neil Tennant (L) sings with Sylvia Mason James (C) next to Christopher Lowe during the "Pet Shop Boys" concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Neil Tennant (L) and Christopher Lowe of the band "Pet Shop Boys" perform during a concert at the 41st Montreux Jazz Festival July 19, 2007. REUTERS/Denis Balibouse (SWITZERLAND) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

Neil Francis Tennant (R) of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins(LATVIA) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

Neil Francis Tennant of British pop group "Pet Shop Boys" performs on stage in Riga May 3, 2007. REUTERS/Ints Kalnins (LATVIA) 

A boy plays with a dog for sale at Pet Expo 2007 in Makuhari, east of Tokyo April 28, 2007. The exposition for pets takes place until May 6. REUTERS/Kiyoshi Ota (JAPAN) 

A dancer performs during a Pet Shop Boys free concert at Skopje square, Macedonia September 7, 2006. REUTERS/Ognen Teofilovski (MACEDONIA)