Fashionistas have gone dotty: the new collection between Japanese artist Yayoi Kusama and Marc Jacobs by Louis Vuitton has launched in New York and pop-up stores set to open across the globe later this week.Today the artist is based in Tokyo, where she has voluntarily lived in a psychiatric hospital for more than three decades. Her works, which are noted for their vibrant, repetitive, object-enveloping patterns, are said to be inspired by her hallucinations. The collection features ready to wear , handbags , watches and scarves. Prepare to be Polka Dotted.