ON this day in history January 7......2002, Yves Saint Laurent announced his retirement declaring it was time to bid "farewell to the world of fashion I have so loved".He paid tribute to his mentors, from his former employer Christian Dior to Balenciaga, Schiaparelli and Chanel, and described the decision as "an important event in both my personal life and my métier".The designer died in 2008....2008, Alexa Chung shared her winning style rules claiming:"I either want to look like an excellently dressed boy or a kitten from the Sixties, like Francois Hardy.At the moment, I want to look like Princess Diana."See Alexa in Vogue's Best Dressed List of 2009....2005, Heidi Klum confirmed via an announcement on her website that, as the rumour mill had suggested earlier in the week, she and boyfriend singer Seal had "affianced on a glacier in Whistler, Canada".Klum and Seal are now married and the supermodel gave birth to her fourth child in October 2009.