Singer John Legend arrives for the annual Red Cross Gala in Monaco, July 26, 2019. REUTERS/Eric Gaillard

Singer John Legend arrives for the annual Red Cross Gala in Monaco, July 26, 2019. REUTERS/Eric Gaillard

Singer Shirley Bassey arrives for the annual Red Cross Gala in Monaco, July 26, 2019. REUTERS/Eric Gaillard

Singer Gloria Gaynor arrives for the closing ceremony of the 59th Monte-Carlo Television Festival in Monaco, June 18, 2019. REUTERS/Eric Gaillard

Singer Gloria Gaynor arrives for the closing ceremony of the 59th Monte-Carlo Television Festival in Monaco, June 18, 2019. REUTERS/Eric Gaillard

72nd Cannes Film Festival - The amfAR's Cinema Against AIDS 2019 event - Antibes, France, May 23, 2019. Singer H.E.R. poses. REUTERS/Eric Gaillard

72nd Cannes Film Festival - The amfAR's Cinema Against AIDS 2019 event - Antibes, France, May 23, 2019. Singer H.E.R. poses. REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Singer Angele poses on stage. REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Singer Angele performs. REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Singer Angele poses on stage REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Master of Ceremony actor Edouard Baer kisses singer Angele REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Master of Ceremony actor Edouard Baer kisses singer Angele REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Singer Angele performs REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Cannes, France, May 14, 2019. Singer Angele performs REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Red Carpet arrivals - Cannes, France, May 14, 2019. Singer Angele poses REUTERS/Eric Gaillard

72nd Cannes Film Festival - Opening ceremony and screening of the film "The Dead Don't Die" in competition - Red Carpet arrivals - Cannes, France, May 14, 2019. Singer Angele poses REUTERS/Eric Gaillard

Monaco's Prince Albert II and Princess Charlene pose with singer Katy Perry and British actor Orlando Bloom upon their arrival for the Monte-Carlo Gala for the Global Ocean 2018 in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Models Isabeli Fontana, Alessandra Ambrosio, Prince Albert II of Monaco, his wife Princess Charlene, actor Orlando Bloom, singer Katy Perry, model Toni Garnn and model lais Ribeiro for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Robin Thicke arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Robin Thicke and April Love arrive for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Robin Thicke and April Love arrive for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Monaco's Prince Albert II and Princess Charlene pose with singer Katy Perry, actor Orlando Bloom and model Toni Garrn upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry, actor Orlando Bloom and model Toni Garrn arrive for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Gloria Gaynor arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Gloria Gaynor arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry and actor Orlando Bloom smile upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry arrives for the Monte Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Monaco's Prince Albert II and Princess Charlene pose with singer Katy Perry and British actor Orlando Bloom upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry and actor Orlando Bloom pose upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry and actor Orlando Bloom pose upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Monaco's Prince Albert II and Princess Charlene pose with singer Katy Perry and British actor Orlando Bloom upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Monaco's Prince Albert II and Princess Charlene pose with singer Katy Perry and British actor Orlando Bloom upon their arrival for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Singer Katy Perry arrives for the Monte-Carlo Gala for the Global Ocean in Monaco, September 26, 2018. REUTERS/Eric Gaillard

Georgetown University Professor Rev. Michael Eric Dyson speaks at the funeral service for the late singer Aretha Franklin at the Greater Grace Temple in Detroit, Michigan, U.S., August 31, 2018. REUTERS/Mike Segar

Georgetown University Professor Rev. Michael Eric Dyson speaks at the funeral service for the late singer Aretha Franklin at the Greater Grace Temple in Detroit, Michigan, U.S., August 31, 2018. REUTERS/Mike Segar

Former U.S. Attorney General Eric Holder speaks at the funeral service for the late singer Aretha Franklin at the Greater Grace Temple in Detroit, Michigan, U.S., August 31, 2018. REUTERS/Mike Segar

Actor and singer Lorie poses during the opening ceremony of the 58th Monte-Carlo Television Festival in Monaco, June 15, 2018. REUTERS/Eric Gaillard

Actor and singer Lorie poses during the opening ceremony of the 58th Monte-Carlo Television Festival in Monaco, June 15, 2018. REUTERS/Eric Gaillard

Actor and singer Lorie takes a selfie with photographers during the opening ceremony of the 58th Monte-Carlo Television Festival in Monaco, June 15, 2018. REUTERS/Eric Gaillard

71st Cannes Film Festival - Screening of the film "Girls of the Sun" (Les filles du soleil) in competition - Red Carpet Arrivals - Cannes, France, May 12, 2018 - singer Matthieu Chedid aka M and his daughter Billie arrive. REUTERS/Eric Gaillard

71st Cannes Film Festival - Screening of the film "Girls of the Sun" (Les filles du soleil) in competition - Red Carpet Arrivals - Cannes, France, May 12, 2018 - singer Matthieu Chedid aka M arrives. REUTERS/Eric Gaillard

71st Cannes Film Festival - Screening of the film “Summer” (Leto) in competition - Red Carpet Arrivals - Cannes, France, May 9, 2018. Singer Shy'm arrives. REUTERS/Eric Gaillard

71st Cannes Film Festival - Screening of the film “Yomeddine” in competition - Red Carpet Arrivals - Cannes, France, May 9, 2018. Singer Li Yuchun aka Chris Lee poses. REUTERS/Eric Gaillard

71st Cannes Film Festival - Opening ceremony and screening of the film "Everybody Knows" (Todos lo saben) in competition - Red Carpet Arrivals - Cannes, France, May 8, 2018 - singer Li Yuchun aka Chris Lee arrives. REUTERS/Eric Gaillard

71st Cannes Film Festival - Opening ceremony and screening of the film "Everybody Knows" (Todos lo saben) in competition - Red Carpet Arrivals - Cannes, France, May 8, 2018 - singer Li Yuchun aka Chris Lee arrives. REUTERS/Eric Gaillard

71st Cannes Film Festival - Opening ceremony and screening of the film "Everybody Knows" (Todos lo saben) in competition - Red Carpet Arrivals - Cannes, France, May 8, 2018 - singer Shy'm arrives. REUTERS/Eric Gaillard

71st Cannes Film Festival - Opening ceremony and screening of the film "Everybody Knows" (Todos lo saben) in competition - Red Carpet Arrivals - Cannes, France, May 8, 2018 - singer Shy'm arrives. REUTERS/Eric Gaillard

Cannes International Series Festival 2018 - Photocall - Cannes, France, April 7, 2018. French singer and actor Orelsan poses during a photocall. REUTERS/Eric Gaillard

Cannes International Series Festival 2018 - Photocall - Cannes, France, April 7, 2018. French singer and actor Orelsan poses during a photocall. REUTERS/Eric Gaillard

French President Emmanuel Macron (L) welcomes a Tunisian singer (R), presented by French Ambassador to Tunisia, Olivier Poivre d'Arvor, during a meeting with members of the French community in Tunis, Tunisia, January 31, 2018. REUTERS/Eric Feferberg/Pool

60th Annual Grammy Awards – Arrivals – New York, U.S., 28/01/2018 – Singer Eric Bibb. REUTERS/Andrew Kelly

A fan reacts as people gather to pay tribute to the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

People gather to pay tribute to the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

People hold a poster of late French singer and actor Johnny Hallyday as they gather to pay a tribute in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

People react as they gather to pay tribute to the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

People react as they gather to pay tribute to the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

People gather to pay tribute to the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard

A woman places a candle near others in memory of the late French singer and actor Johnny Hallyday in Nice, France, December 6, 2017. REUTERS/Eric Gaillard