Blake Shelton
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Gwen Stefani and Blake Shelton perform at Billboard Music Awards

has been enjoying a scorching hot romance with co-star Blake Shelton since the fall.

And now the two have become musical collaborators with new duet Go Ahead And Break My Heart, which they performed at the on Sunday night. 

The pair put their chemistry on show for the world to see, with Blake beaming with delight at his new love, who as dressed in a dazzling nude frock. 

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Smitten: Blake Shelton beamed at Gwen Stefani as they performed at the Billboard Awards on Sunday 

The face that says I'm in love! The country singer was grinning from ear to ear at Gwen 

Country cuties: The pair sang Go Ahead And Break My Heart

Mixing business with pleasure:Blake previously admitted that at first, the single was simply a way to impress his new girlfriend

Look ah-mazing in Falguni & Shane Peacock like Gwen

She just went through a nasty divorce, but Gwen Stefani looked nothing short of amazing at the Billboard Music Awards during Sunday evening. Wearing this embellished mesh gown from Indian Falguni & Shane Peacock, she dazzled the crowd while leaving just enough for imagination – No Doubt about that!

We loved the heavily-sequinned structure and hour-glass shape of this gown, which made it stand out among boring black. Channel Gwen’s seductive style if you’re off to a party location this summer, or have a glamorous event coming up!

Gwen’s dress from Falguni & Shane Peacock is custom-made, but click in to their Facebook page to see the rest of their collection and point of sales (right). If you can’t wait to glitter through the night, then scroll below for our high street selection of jaw-dropping pieces that will turn heads (and not break the bank!).

Hands on: Blake couldn't resist a cuddle after their performance 

Speaking with , Blake, 39, previously admitted that at first, the single was simply a way to impress his new girlfriend.

'Originally, when I started the song... I was only trying to impress her, you know, just trying to write her a song to get her excited about me,' he said of the 46-year-old hitmaker.

Blake continued: 'I sent her the song half-finished and she wrote the other half of the song, so it's such a 50/50 emotionally-invested thing.'

Backstage fun: The pair posed together after their performance and Gwen also shared a  moment with Ciara

Time to shine: Gwen, who skipped the red carpet, wore a sparkling nude dress

Close up: Gwen swapped her signature red lip for a nude colour and opted for a bold brow

The star - who split with wife of four years Miranda Lambert in July - described the number as 'an honest song just about kind of how we got started.'

The duo began dating after they both filed for divorce from their respective partners, with Gwen announcing her split from husband of 13 years Gavin Rossdale in August.

Blake also said that Go Ahead And Break My Heart is 'not like anything I think that she and I have ever done before.' 

Blake and Gwen have been inseparable since they began dating in November after finding love while judging together on the hit NBC singing competition show The Voice. 

The two are also recently rumoured to be engaged, with Gwen even wearing a mysterious ring on her finger during a performance last week. 

And relax! The pair happily posed for selfies in the hotel after the show

What happens in Vegas: The couple looked in great spirits after the show


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