Mariah Carey, 46, dazzles in statement gold shearling jacket as she steps out for dinner with toyboy beau Bryan Tanaka, 33, and daughter Monroe, 5, in London

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She was oblivious to her now-boyfriend's affections on Sunday night's episode of her reality show.

Now, Mariah Carey illustrated what a difference a number of weeks make as she stepped out alongside her new toyboy beau Bryan Tanaka, 33, at celeb eatery Nobu in London on Sunday night.

The 46-year-old pop diva beamed as she made an exit from the Mayfair hotspot, while her backup dancer boyfriend carried her darling daughter Monroe, five. 

Stepping out: Mariah Carey stepped out with her new beau Bryan Tanaka at celeb eatery Nobu in London on Sunday night

The Honey hitmaker wrapped up for the evening in an eye-catching metallic gold shearling jacket, which disguised her endless curves. 

Mariah paired her dazzling statement jacket with ripped knee black denims while she sported a plunging blouse on top.

Leaving her golden locks cascade down her shoulders, she draped her leather satchel over her shoulder as she added her usual touch of glamour with a pair of platform leopard print Christian Louboutin boots.

Mariah was accompanied to the restaurant with her darling daughter Monroe, who looked adorable in butterfly printed leggings, a charming white Paddington coat and complementing metallic gold trainers. 

What a gent! The 46-year-old pop diva beamed as she made an exit from the Mayfair hotspot while her backup dancer boyfriend carried her darling daughter Monroe, five

Noticeably absent from the evening's festivities was her son Moroccan, five - who she had also with ex-husband Nick Cannon.

Meanwhile, Mariah's new man Bryan proved to be a true gent as he carried her sweet tot out of the eatery in his arms.

The dancer looked a long way from his devastated look on Sunday's episode of Mariah's World when he saw her put on an affection display to her then-fiancé James Packer after he confessed that he was falling for 'The Queen'.

But when Australian billionaire Packer showed up to celebrate Mimi's vodka launch in Paris, Tanaka was left heartbroken as he watched her smooching his love rival.

Happier times: Mariah was visited by her then-fiance James Packer on Sunday's episode of Mariah's World as her backup dancer looked on heartbroken

'Seeing Mariah and James all touchy feel. ...It doesn't seem real, but seeing it in real life, I guess it's real,' said Tanaka.

'It's a big reality check, took a lot of air out of my balloon, it just sucks,' he said mournfully.

Tanaka confided in his fellow dancer G. Madison.

'I was trippin' man, remember how I told you I was feeling a certain way about The Queen? I was feeling like there was something there, then James came into town, he's never really around, I've never seen them together really,' he said.

Tripping out: Bryan Tanaka was tripping out over seeing Mariah with James

'It looks like she's really happy, and I want her to be happy you know?' he said sweetly.

'She's amazing…but I've been living in this fantasy…I feel like I made a big mistake,' he added cradling his head in his hands.

The show opened with Tanaka dressing up as a lamb for one of Mariah's stage shows.

Lamb suit: The singer's backup dancer Bryan wore a lamb costume for Mariah

'Have you ever seen a lamb with a camel toe?' he asked Mariah as she giggled.

The 46-year-old superstar's entourage were aware that Tanaka was holding a torch for 'Queen Mimi'.

'I think Tanaka has a very big crush on you, and I think you know this,' said Mariah's manager Stella Bulochnikov.

Candid conversation: Mariah was told by her manager Stella Bulochnikov that Tanaka has a crush on her

On tour: The pop superstar told Stella that she was friends with Tanaka before anyone else on the tour

'Tanaka looks at you with hungry eyes,' she added.

On the way to Paris, Tanaka's luggage got lost - so he went shopping in a bath robe, while on crutches, to buy some new clothes.

'Nothing underneath the robe,' explained Mariah with a chuckle.

No clothes: Tanaka lost his luggage and went shopping in just a robe

Tiger jacket: The backup dancer tried on a tiger jacket that he liked

'Mariah's the type of woman that I see myself with, the amount of time that we spend together, it just feels like we're getting closer and closer,' said Tanaka wistfully.

The Bye Bye singer was excited to have 'the last fitting' for her wedding gown with her daughter Monroe also getting a custom dress.

'My two babies are my best friends,' she said of her twin children, who's father is Nick Cannon.

Best friends: Mariah said her twins Moroccan and Monroe were her best friends

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'Seeing in Mariah in that dress, it's definitely a wake-up call, I'm like ''oh yeah wedding'',' sighed Tanaka.

The team then gathered to celebrate Stella's birthday.

James Packer was due to attend.

Birthday party: Stella was celebrating her birthday at a party attended by James

'I think I'm going to put him and Tanaka in separate corners because we don't want any…nonsense,' said Stella.

Two of the six dancers got injured during one of Mariah's shows.

'It just seems like everybody is getting hurt on this tour and I don't know what to do,' fretted Mariah, who had been carried on stage on a chaise lounge.

Little help: Backup dancers were dropping during the tour

Mimi wanted to 'simplify the show' to help the remaining dancers, but her creative manager, Anthony Burrell, wasn't keen on the idea.

They practiced the all-important 'lifts' in their Paris hotel.

'This is so f***ing crazy,' agonised Mariah.

Lift practice: New backup dancers practiced with Mariah before the show

Nailed it: Mariah was lifted by the new backup dancers

As they were about to perform in Paris the news of Prince's death broke.

'We just can't get her to stop crying,' said Stella.

'He was someone I could talk to when I needed somebody, he was always there,' said Mariah sadly.

Always there: The pop superstar was saddened by the death of Prince

Not wanting to disappoint the fans Mariah pulled it together and hit the stage.

'I didn't know if I was going to make it through the show tonight,' she told the crowd.

She also called Prince 'one of the greatest geniuses of our time'.

Heartfelt tribute: Mariah dedicated her song Hero to Prince

She then dedicated her song Hero to Prince.

After the gig they had a launch party for her vodka brand.

'I was such a mess today…I really feel that you're amazing for coming,' Mariah told James.

Tender moment: James smiled as Mariah thanked him for coming

She then whispered in his ear that before Prince died, she'd wanted to dedicate Hero to him.

'But with everything going on...,' she said.

In a sideline plot Mariah was shocked to see that her rear end had been exposed on social media.

Sweet song: Mariah told James that she planned to dedicate Hero to him

The image had been posted to her account by Stella's 12-year-old daughter Mishka who had taken over her social media.

'I wouldn't have posted that,' she cringed.

'But your a** looks amazing in that photo, and you look so pretty, and your legs look long,' protested Mishka.

Social media: A social media photo of Mariah caused controversy after Mishka posted it

'Can you at least show me the photos first?' asked Mariah.

She then playfully started chasing Mishka around.

Mariah's World continues next week on the E! network.

Good times: Mishka was having fun with Mariah