KATY Perry stole the show as she was honoured for her charity work at the glittering amfAR gala in Los Angeles last night.
The singer, 33, was the star guest at the glitzy fundraiser and she was supported by her boyfriend Orlando Bloom, 41 - but they avoided each other on the red carpet.
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Katy Perry wowed in a blue dress with matching feathersCredit: Getty
Katy looked sensational in a blue dress adorned with feathers at the bash, which was held at the Wallis Annenberg Center for the Performing Arts in Beverly Hills, California.
The Firework star was presented with the Courage Award for her "profound commitment to the fight against AIDS".
Past recipients of the prize include Julia Roberts, Charlize Theron, Jennifer Lopez and Miley Cyrus.
Katy ruffled feathers in her striking blue gownCredit: Rex
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The pop star was the guest of honour at the bashCredit: Getty
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The singer was presented with the Courage Award for her charity workCredit: Getty
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Katy made sure all eyes were on her at the eventCredit: Rex
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The singer was sporting a cropped blonde hair styleCredit: Rex
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Katy was supported by her boyfriend Orlando BloomCredit: Getty
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The actor did not walk the red carpet with his girlfriendCredit: Getty
However, the publicity-shy couple did not walk the red carpet together and instead made separate appearances in front of the cameras.
Other stars at the bash included Heidi Klum, 45, who turned heads in a red gown, and Bruce Willis' daughter Rumer, 30, who looked stunning in yellow.
Actress Leslie Mann, 46, chose a green floral dress for the red carpet bash while Modern Family's Sarah Hyland, 27, opted for a pretty black and pink number.
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Heidi Klum looked sensational in a long red gownCredit: AFP or licensors
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The supermodel looked stunning as she turned out for the charity bashCredit: Getty - Contributor
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Heidi wore a long red off-the shoulder gown with draped armsCredit: Getty - Contributor
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Actress Sarah Hyland wore a pretty black and pink numberCredit: AFP or licensors
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Rumer Willis wowed in a bright yellow dressCredit: AFP or licensors
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The actress lit up the red carpet in her sexy gold gownCredit: Getty - Contributor
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Actress Leslie Mann chose a green strapless dress with a copper bandCredit: Getty
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Model/actress Lydia Hearst wore a black dress with sheer panelsCredit: Rex Features
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Carmen Electra wore a plunging black beaded gownCredit: Rex Features
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Actress/Singer Victoria Justice turned heads in bright yellowCredit: Rex Features
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Music star Eve sparkled in a silver suit that put her chest tattoos on disaplyCredit: Getty - Contributor
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Eve seemed to struggled with her plunging outfit on the red carpetCredit: Rex
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Robin Thicke was there with his pregnant partner April Love GearyCredit: Getty
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Expectant parents Robin and April enjoyed a rare night outCredit: Getty
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Robert Pattinson was there to support his friend Katy PerryCredit: Getty
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Funnyman Chris Tucker was among the guests tonightCredit: Rex Features
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Inside the bash, Rumer was seen catching up with fellow actress Kat GrahamCredit: Getty
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Leslie was seen cuddling up to her writer/director husband Judd ApatowCredit: Getty
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Rumer was centre of attention at her tableCredit: Getty
Katy Perry and Orlando Bloom make their red carpet debut at the Gala for the Global Ocean at the Opera of Monte-Carlo in Monaco
The gala included a performance by Dame Shirley Bassey and a live auction.
Last night's event is raising money for amfAR, The Foundation for AIDS Research, which supports research into the disease as well as HIV prevention and treatment.
Dame Elizabeth Taylor founded one of the charities which merged to form amfAR in 1985.
Over the years, the organisation has raised more than £9.9 million to help in the fight against AIDS.
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