During the auditions, it seemed the pair were the best of friends, but when the pressures of the live shows arrived and the competition grew fiercer the pair were invovled in several bitter rows.
Kelly said Tulisa was making her life a "living hell" and a week after Tulisa branded one of Kelly's acts a bully, Kelly pulled out of the show for a week claiming illness.
Afterwards, the couple put on smiling faces for the cameras but according to reports, behind the scenes they barely spoke to each other.
Fragile golden and silver scrolls believed to be “spells” to invoke good or evil spirits were unearthed with ancient skeleton in Serbia.
Stress of moving house can help boost memory, a recent research has found.
The prenup house, made of carbon fibre elements and semi-transparent wooden layer, can be split in two if marriage doesn’t work.
De-extinction of mammoths through DNA sequencing and genome editing can help restore the grassland system, scientists have claimed.
Faraday cage wetsuit prevents sharks from detecting tiny electrical signals from divers’ muscles.
In 30 years, humans will be able to upload their entire minds to computers and become digitally immortal, Google has predicted
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