Mariah Carey, 49, puts on an eye-popping display in a plunging black silk dress as she enjoys date night with Bryan Tanaka, 36, in London

She's fresh from performing at the amfAR Gala in Cannes.

Upon her arrival in London on Saturday, Mariah Carey wasted no time in hitting the town, stepping out in style in a plunging black dress as she enjoyed a date night with her boyfriend Bryan Tanaka.

The singing superstar, 49, looked sensational in the low-cut number, which made the most of her eye-popping cleavage.

Make way: Mariah Carey wasted no time in hitting the town when she arrived in London on Saturday night, stepping out in style in a plunging black dress with boyfriend Bryan Tanaka

Make way: Mariah Carey wasted no time in hitting the town when she arrived in London on Saturday night, stepping out in style in a plunging black dress with boyfriend Bryan Tanaka

Ever the diva, Mariah kept her oversized shades on for her late night outing and was chatting on her mobile phone as she made her way through a crowd of excited fans.

The Vision Of Love hitmaker made the most of her hourglass physique in the figure-hugging frock, exuding confidence as she left her hotel.

Mariah slicked back her honey coloured tresses into a low bun and accessorised her look with her trademark butterfly rings.  

Beaming: The superstar couldn't hide her delight as she enjoyed the sights of London by night

Beaming: The superstar couldn't hide her delight as she enjoyed the sights of London by night

Loved-up: She went hand-in-hand with her backing dancer Bryan, who looked delighted to be in Mimi's company for the evening

Loved-up: She went hand-in-hand with her backing dancer Bryan, who looked delighted to be in Mimi's company for the evening

Mariah completed her look with a simple pair of peep-toe heels and a hot pink manicure.

She sported a large pair of diamond encrusted hoop earrings for her romantic evening on the town.

The singer went hand-in-hand with her backing dancer Bryan, who looked delighted to be in Mimi's company for the evening.

Mobbed: It was chaos at Mariah's hotel as fans tried to break in for the chance to meet the iconic singer

Mobbed: It was chaos at Mariah's hotel as fans tried to break in for the chance to meet the iconic singer 

Bling: She sported a large pair of diamond encrusted hoop earrings for her romantic evening on the town

Bling: She sported a large pair of diamond encrusted hoop earrings for her romantic evening on the town

Shady lady: Earlier in the evening, Mariah was spotted rocking a pair of giant sunglasses

Shady lady: Earlier in the evening, Mariah was spotted rocking a pair of giant sunglasses  

Two nights ago, Mairah  took to the stage at amfAR's 26th Cinema Against AIDS Gala during the 72nd annual Cannes Film Festival.

The star poured her curves into a cleavage-baring black gown as she entertained the crowds at the star-studded event.

She oozed glamour in the form-fitting number, after skipping the red carpet for the glittering bash.

Wow: The singing superstar, 49, looked sensational in the low-cut number, which made the most of her eye-popping cleavage

Wow: The singing superstar, 49, looked sensational in the low-cut number, which made the most of her eye-popping cleavage

Mobbed: Mariah was surrounded by an army of burly bodyguards as she left her hotel

Mobbed: Mariah was surrounded by an army of burly bodyguards as she left her hotel 

All smiles: The singer was in high spirits as she prepared to party the night away
All smiles: The singer was in high spirits as she prepared to party the night away

All smiles: The singer was in high spirits as she prepared to party the night away 

The black dress featured an intricate glitter pattern and sheer sleeves, as well as a plunging necklace.

The We Belong Together hitmaker amped up the glamour as she draped herself in glittering jewells including a huge statement diamond necklace, drop earrings and several rings.   

The singer was in good company at the event, with Dua Lipa, Tom Jones and The Struts also taking to the stage. 

Showstopping: Two nights ago, Mairah took to the stage at amfAR's 26th Cinema Against AIDS Gala during the 72nd annual Cannes Film Festival

Showstopping: Two nights ago, Mairah took to the stage at amfAR's 26th Cinema Against AIDS Gala during the 72nd annual Cannes Film Festival

Stunning: The pop diva, 49, put on an eye-popping display as she poured her curves into a cleavage-baring black gown as she entertained the crowds at the star-studded event

Stunning: The pop diva, 49, put on an eye-popping display as she poured her curves into a cleavage-baring black gown as she entertained the crowds at the star-studded event

A sensation: The music legend looked incredible as she hit the stage

A sensation: The music legend looked incredible as she hit the stage 

The annual extravaganza aims to raise money for amfAR, The Foundation for AIDS Research, and is one of the world’s most successful benefit events.

The bash is always one of the most coveted ticket in town during the Cannes International Film Festival.

To date, the star-studded event has raised more than $220 million for amfAR’s life-saving research programs and has helped keep the fight against AIDS in the global media spotlight.

Belting it out: She was singing a host of tracks for the adoring crowd

Belting it out: She was singing a host of tracks for the adoring crowd 

Glam: The singer was in good company at the event, with Dua Lipa, Tom Jones and The Struts also taking to the stage

Glam: The singer was in good company at the event, with Dua Lipa, Tom Jones and The Struts also taking to the stage

Mariah's appearance came as she also won an Ivor Novello award in the annual ceremony, held at London's Grosvenor House on Thursday.  

The hitmaker, who was unable to attend the event, said in a pre-recorded message: 'I rarely get acknowledged for my songwriting, which is the core of who I am, so I thank you so much for this incredible, incredible honour.' 

She added:  'Being in this industry and winning this as a female in music as well... I feel like just the acknowledgment is so much that it is hard for me to even express that, but I hope that you can understand that his is sincere.' 

Mariah is set to head to London to play three night's at the Royal Albert Hall starting from Saturday.  

Winner: Mariah's appearance came as she also won an Ivor Novello award in the annual ceremony, held at London's Grosvenor House on Thursday

Winner: Mariah's appearance came as she also won an Ivor Novello award in the annual ceremony, held at London's Grosvenor House on Thursday

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Mariah Carey puts on an eye-popping display in London

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