Louis Walsh won a defamation case against The Sun over a story last year based on a false allegation that he sexually assaulted a man in a Dublin night-spot.
Walsh took legal action against the publisher for damages over the article published on 23 June 2011 with the headline "Louis Probed Over 'Sex Attack' on Man in Loo".
The man who made the allegation - an unemployed dance teacher called Leonard Watters - was jailed for six months in July for wrongly accusing Walsh of groping him after a Westlife concert in April 2011.
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Marjorie and Michael Cawdery, both 83, are understood to have been stabbed to death in a killing their family called "incomprehensible".
Detectives have launched a murder investigation following the shooting in Brent, north west London on Friday night.
Hot and humid throughout the Bank Holiday Weekend.