Nicole Richie's weight plummets again

New pictures of Nicole Richie looking frighteningly gaunt have renewed heath fears for the reality TV star. The 25-year-old, who dates Good Charlotte rocker Joel Madden, has long faced a very high profile struggle with her weight.

During a recent shopping with pal Mischa Barton, she again shocked onlookers when her skin-tight orange dress revealed a concave chest and protruding hipbones. The star, who had appeared to have gained a few extra pounds in recent months, now looks to have dropped back down to a worrying low.

Last week, a spokesperson for the Simple Life star recently issued a statement denying Richie was in rehab for substance abuse and anorexia-related problems. The star recently wrapped filming on the latest season of The Simple Life. Reports were circulating in the US that she had briefly checked into California's Beau Monde Treatment Centre. Her publicist said: "She is not in rehab – she is at home in Glendale. Sobriety is an ongoing process but she is sober".

Last year, the 25-year-old confirmed that she had sought help for what her spokesperson called an inability to put on weight, but denied it was treatment for an eating disorder. In March, Richie was hospitalized for dehydration after she collapsed while filming her program with Paris Hilton. Her spokesperson said it was a result of the star suffering from hypoglycaemia.

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