Body dysmorphia: Artists tackle distorted self perceptions

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In January 2009, photographer Derrick Santini was offered a magazine shoot with an unknown US singer. "I'd never heard of Lady Gaga when the job came up," he tells BBC News. "Of course, two months later, everyone knew her." At the time she posed for the portraits, Gaga was on the brink of releasing her debut single Just Dance - which became the first of several monster hits. Santini, who has also photographed Adele, Mary J Blige and Idris Elba, was commissioned to shoot Gaga for The Sun's recently launched Fabulous magazine. "Everything was slightly exaggerated with her," Santini recalls. "We pumped up the colours, we went for this very poppy background, these obviously quite full-on outfits." "She knew what she wanted, she was really a pro, it was clear, she was so on her image and what she was doing all the time, there was no messing about." The images documented how Gaga uses fashion, art and performance to express radically different identities.

Nearly 10 years on, they are being used as part of a new exhibition about body dysmorphia - a mental health condition where a person spends a lot of time worrying about flaws in their appearance.

Gaga is certainly an icon of fashion and glamour - but she has spoken openly about her struggles with bulimia and anorexia in the past. "I wasn't aware of her issues back then," says Santini, "or maybe body dysmorphia as a term wasn't around so much then. "She's had her issues with it, and I think it's kind of like the general thing about identity, we are all self-conscious, we are all documenting ourselves all the time. "And so this incredible introspection of ourselves is going on, so in a way it's morphing in the mind - what you think you look like, how you think you appear, that's the crux of body dysmorphia." Santini's images of Gaga, some of which haven't been seen before, form part of Identity - a new exhibition at London's Zebra One Gallery. Works from 10 artists have been selected for the show, all of them exploring themes relating to body dysmorphic disorder (BDD). The gallery's owner, Gabrielle Du Plooy, came up with the idea for the exhibition earlier this year, and began approaching artists whose work she felt fitted with the theme of the show.