Like her brother, she has battled an addiction to prescription painkillers. But, in 2005 she spent time in a Californian clinic which helps young adults with mental health and drug addiction problems. Her mum Sharon said Kelly had a mental breakdown because of critiscm about her weight.
Less than a year later she was back in rehab. A spokesman said at the time: "Kelly is in a facility dealing with some personal issues."
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
Confused Apple customers are finding coins in their MacBooks.
High levels of iron help prevent hearing loss, a study has claimed.
A software engineer has constructed a fingernail-sized engine made of paper and it totally works!
Conspiracy theorists claim that there is a mysterious alien based pyramid in the Antarctic.
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