Katy Perry wore a "fifty five carat cognac diamond" choker to the 2017 BRIT Awards.

Katy Perry at the 2017 BRIT Awards

Katy Perry at the 2017 BRIT Awards

The 32-year-old singer adorned a nude coloured embellished Atelier Versace outfit with a matching jacket to the music extravaganza on Wednesday (22.02.17), which took place at London's The O2, and to accessorise the glitzy ensemble she wore a Lorraine Schwartz jewel encrusted necklace.

The jewellery designer revealed the details of the 'Roar' hitmaker's red carpet attire on Instagram.

Alongside a picture of the vocalist, it read: "Wow! The super talented #katyperry looks amazing at the #britawards #brits in a #versace dress with #lorraineschwartz fifty five carat #cognacdiamond #choker #nudediamond studs and ring and @ofirajewelz #rosegold #diamondbands #superchic @sweetbabyjamie available @lorraineschwartzharrods #harrods #london (sic)."

Katy has also shared a string of images of her outfit on social media.

Alongside one full-length shot of her posing for pictures ahead of performing her new single 'Chained to the Rhythm' at the ceremony, she wrote: "#Versace...on the floor #thebrits2017 #chainedtotherhythm (sic)."

Whilst another post read: "Tonight I'll be making it rain Yorkshire puddings... so ya, don't miss it! #thebrits2017 (sic)."

The star also shard a behind-the-scenes image of her whilst she was preparing for her appearance at the BRITs.

She re-posted an image of her sporting a black gown with "Woman" emblazoned in white stitching on the back to her photo-sharing site.

It read: "GETTING READY #BRITS

#Repost @sweetbabyjamie

Power WOMAN #KatyPerry @off____white (sic)."

Katy changed into a black three-piece tailored suit to perform her latest song, which saw her adorn a high waisted pin-stripe wide leg trousers, a matching crop top and blazer.

However, Katy has hinted she was nervous about coming to the BRIT Awards this year as her 2009 debut at the music bash saw her shivering with "cold sweats" backstage because of the flu.

Speaking previously, she said: "The first time I went to the BRITs I had a flu of maybe 102, and I was so sick.

"I went to the girls bathroom ... and I was shivering with cold sweats and was like, 'I'm supposed to be here at the BRITs, I think I'm getting an award."

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