Japan's and Russia's capitals are gearing up for their local fashion extravaganzas. Also coming up over the next month: an enchanted Kensington Palace relooked by designers in London, and a new Grace Kelly exhibit.

Japan Fashion Week
March 23-26
Tokyo, Japan

Japan's design stars including Rei Kawakubo (Comme des Garçons) have long been showing their collections outside Tokyo, but the city remains a breeding ground for exciting, up-and-coming talent made in Japan. Yohji Yamamoto will present his menswear collection outside the event at the Olympic Stadium on April 1.

H&M Garden Collection launch
March 25

Swedish retail chain H&M usually makes headlines with its designer collaborations, which in the past year ranged from Jimmy Choo to Sonia Rykiel, but this coming March, the brand has a different ace up its sleeve: the organic, yet stylish 'Garden Collection.' Prices from €9.95 to €49.99.

The Enchanted Palace
March 26 - January 2011
London, UK

Kensington Palace will be taken over by British designers including Vivienne Westwood, who have reimagined the royal residence's rooms and created dresses for them to illustrate the stories of the princesses who lived there.

Sustainable Futures
March 31 - September 5
London, UK

This exhibition at the Design Museum explores how design can be used to achieve more sustainable living, examining not only the objects themselves but also the infrastructure in which objects are produced and exist.

Russian Fashion Week
April 1-7
Moscow, Russia

The biggest fashion event in Eastern Europe will celebrate its 10th year in existence this year, showcasing the best in Russian design but also from abroad, featuring a London showroom in collaboration with the British Fashion Council.

Hussein Chalayan - from Fashion and back
April 3 - June 20
Tokyo, Japan

Previously on show at London's Design Museum, this display of the fashion designer's creations is now moving to Tokyo's Museum of Contemporary Art, representing Chalayan's first solo exhibition in Japan.

Grace Kelly: Style Icon
April 17 - September 26
London, UK

Divided into three sections focusing on her Hollywood films (Rear Window, High Society), the romantic relationship with Prince Rainier of Monaco, and her official engagements as Princess Grace, this new exhibition at the Victoria & Albert museum will showcase the most memorable haute couture looks worn by Grace Kelly.

Armani hotel opens
Date to be announced (postponed from March 18)
Dubai, UAE

The luxe label, which is still managed by its founder Giorgio Armani and currently runs a variety of fashion lines as well as home accessory boutiques, spas, and cafés, has chosen the recently opened Burj Khalifa (formerly Burj Dubai) - the world's highest tower - to host its first venture into hospitality.