Mel B wows in pink off-shoulder gown as she joins Simon Cowell for AGT

It was recently reported that she enjoyed a ‘night of passion’ with Zac Efron after they met on an exclusive celebrity dating app.

And while Mel B has so far remained mum on the matter, she ensured that all eyes were on her when she stepped out in style for a live broadcast of America’s Got Talent at Hollywood’s Dolby Theatre on Tuesday.

The former Spice Girl, 43, dazzled in a pink off-the-shoulder gown with a knee-high slit as she joined fellow judge Simon Cowell on the red carpet ahead of the show.

Sensational Spice: Mel B attended a live broadcast of America’s Got Talent at Hollywood’s Dolby Theatre on Tuesday

With her raven locks slicked back, the British beauty highlighted her good looks with a palette of makeup that included a variety of deep pinks.

Standing tall in a pair of glittering embellished heels, the singer and TV personality accessorised with a chunky statement necklace and matching earrings, while her wrists were adorned with relatively delicate bracelets.

The star’s appearance on the hit talent show comes days after it was reported that she allegedly Zac shortly after separating from husband Stephen Belafonte, with the 30-year-old actor making a late-night visit to her Los Angeles home.

Pretty in pink: The former Spice Girl, 43, dazzled in a pink off-the-shoulder gown with a knee-high slit as she joined fellow judge Simon Cowell on the red carpet ahead of the show

Pretty in pink: The former Spice Girl, 43, dazzled in a pink off-the-shoulder gown with a knee-high slit as she joined fellow judge Simon Cowell on the red carpet ahead of the show

Sparkle: Standing tall in a pair of glittering embellished heels, the singer and TV personality accessorised with a chunky statement necklace and matching earrings

Sparkle: Standing tall in a pair of glittering embellished heels, the singer and TV personality accessorised with a chunky statement necklace and matching earrings

A laugh: She appeared to be in a jovial mood as she shared a laugh with fellow Brit Simon

A laugh: She appeared to be in a jovial mood as she shared a laugh with fellow Brit Simon

Lively: The mother-of-three was the life of the red carpet as she prepared for the broadcast

Lively: The mother-of-three was the life of the red carpet as she prepared for the broadcast

It’s claimed the famous pair hit it off after chatting on a dating app, which saw them exchange a series of flirty messages before finally meeting up.

A source told The Sun: ‘He ended up driving over to her pad. They hit it off and spent a few enjoyable hours together.’   

Despite their chemistry, it’s reported that neither of the stars saw their steamy encounter as more than a one-night fling. 

The insider added: ‘It wasn’t exactly a meeting of minds. Neither saw it as long-term, but there was chemistry there. Mel thought Zac had an amazing body.’

Racy claims: Mel's outing came after it was reported that she once enjoyed a 'night of passion' with Hollywood heartthrob Zac Efron

Racy claims: Mel’s outing came after it was reported that she once enjoyed a ‘night of passion’ with Hollywood heartthrob Zac Efron

Night of fun? The former Spice Girl, 43, allegedly hooked up with The Greatest Showman star, 30, shortly after separating from husband Stephen Belafonte

Night of fun? The former Spice Girl, 43, allegedly hooked up with The Greatest Showman star, 30, shortly after separating from husband Stephen Belafonte

MailOnline has contacted Mel B and Zac Efron’s representatives for comment. 

News of Mel’s reported tryst with Zac comes as the star continues to be locked in a bitter custody battle with her ex-husband Stephen, with the star’s ex-nanny recently deeming her an unfit mother.  

On Saturday, ex-nanny Rusty Updegraff insisted he gave his testimony claiming she was neglecting her children due to a drink, drugs and sex addiction to help the Spice Girl.

Relaxed: Singer Mel looked relaxed and happy as she settled into her judge's seat for the show

Relaxed: Singer Mel looked relaxed and happy as she settled into her judge’s seat for the show

Judges: She sat alongside fellow judges (L-R) Howie Mandel, Heidi Klum and Simon Cowell

Judges: She sat alongside fellow judges (L-R) Howie Mandel, Heidi Klum and Simon Cowell

He that her drinking was out of control, she was ‘incapable’ of caring for Madison and her 11-year-old sister Angel and her ferocious appetite for sex made her bed a slew of random men.

The 59-year-old has now claimed he didn’t make the allegations for ‘fame’, but out of genuine concern for the singer and her children.

‘Mel would drink so much at the house and pass out that if there was an emergency I dread to think what would happen,’ he told The Mirror. 

‘I am not doing this for fame, and I didn’t have to do this, but I love those children and want the best for them.’ 

Staying mum: The star has yet to publicly speak out on the rumours about her and Zac Efron

Staying mum: The star has yet to publicly speak out on the rumours about her and Zac Efron

Drama: Mel, pictured with two of her three daughters, is locked in a bitter custody battle with her ex-husband Stephen, with the star's ex-nanny recently deeming her an unfit mother

Drama: Mel, pictured with two of her three daughters, is locked in a bitter custody battle with her ex-husband Stephen, with the star’s ex-nanny recently deeming her an unfit mother

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