Prince Albert II of Monaco and Princess Charlene of Monaco attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

Prince Albert II of Monaco and Princess Charlene of Monaco attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

Princess Charlene of Monaco opted for a strapless gown with a dramatic sweeping skirt and heavily embellished bodice, joined her husband Prince Albert II for Monte-Carlo Gala

Princess Charlene of Monaco and Prince Albert II of Monaco share a tender moment on the red carpet at a glittering charity, was held at the Monaco Garnier Opera House

Princess Charlene of Monaco cozies up to husband Prince Albert as they led the glamorous arrivals at the 'Monte-Carlo Gala For The Global Ocean' event on September 28, 2017

(L-R) Nelly Furtado and Princess Charlene of Monaco attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

Prince Albert II of Monaco and Princess Charlene of Monaco attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

Princess Charlene of Monaco shared a tender moment on the red carpet with husband Prince Albert II of Monaco as they led the glamorous arrivals at the 'Monte-Carlo Gala For The Global Ocean' event on September 28, 2017

Princess Charlene of Monaco chose a favorite- Atelier Versace custom gown For the high profile inaugural Gala for the Global Ocean event.

Princess Charlene of Monaco could be seen cozying up to her husband Prince Albert II as they led the glamorous arrivals at the 'Monte-Carlo Gala For The Global Ocean' event

Princess Charlene of Monaco stunning in black and gold strapless Atelier Versace custom gown, with a daring thigh-split panel and was teamed with minimal accessories, joined her husband Prince Albert II of Monaco who is dapper in tuxedo for Monte-Carlo Gala event at the Monaco Garnier Opera in Monte Carlo in Monaco.

Princess Charlene of Monaco in her stunning black and gold Atelier Versace custom gown, boasted a daring thigh-split panel and was teamed with minimal accessories, as she attends the Monte-Carlo Gala For Global Ocean event at the Monaco Garnier Opera in Monte Carlo in Monaco.

Princess Charlene of Monaco attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

Prince Albert II of Monaco and Princess Charlene at Monte-Carlo Gala For Global Ocean event at the Monaco Garnier Opera in Monte Carlo in Monaco.

Princess Charlene of Monaco opted for a strapless Atelier Versace custom gown with a dramatic sweeping skirt and heavily embellished bodice joined husband Prince Albert II who is dapper in Tuxedo for inaugural Gala for the Global Ocean event at the Monaco Garnier Opera in Monte Carlo in Monaco.

Princess Charlene of Monaco cozies up to her husband Prince Albert II of Monaco, as they led the glamorous arrivals at the 'Monte-Carlo Gala For The Global Ocean' event on September 28, 2017

(L-R) Prince Charles of Bourbon Two Sicilies, Duke of Castro and Princess Camilla of Bourbon Two Sicilies, Duchess of Castro attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

(L-R) Prince Charles of Bourbon Two Sicilies, Duke of Castro and Princess Camilla of Bourbon Two Sicilies, Duchess of Castro attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

(L-R) Adrien Brody, Olga Kurylenko, Lior Suchard, Prince Albert II of Monaco, Princess Charlene of Monaco, Nelly Furtado and Robin Thicke attend the Inaugural 'Monte-Carlo Gala For The Global Ocean' Honoring Leonardo DiCaprio at The Monaco Garnier Opera on September 28, 2017 in Monaco, Monaco.

(R) Leonardo DiCaprio posed with Prince Albert II of Monaco and his wife Princess Charlene at the Monte-Carlo Gala For Global Ocean on September 28, 2017

Princess Charlene of Monaco stunning in black and gold strapless Atelier Versace custom gown, with a daring thigh-split panel and was teamed with minimal accessories, attends for Monte-Carlo Gala event at the Monaco Garnier Opera in Monte Carlo in Monaco.