We all know about Gwen Stefani’s funky LAMB line and Beyonce's glitzy House of Dereon collection, so we decided to take a look at the latest round of celebrities who have thrown their hats into the design world.

First, there are the sister acts – Mary Kate and Ashley Olsen’s two new lines – the upscale The Row and the younger Elizabeth and James, Penelope and Monica Cruz’s line for Mango and, of course, the much hyped Twenty8Twelve from Sienna and Savannah Miller.

Patricia Field built a cult following by dressing the fashionable set onscreen. Some pros say she gets it wrong.

I'll admit it. I can't wait to see February's Confessions of a Shopaholic, the film based on the book about a New York City writer who's addicted to plastic.

Mary-Kate Olsen left a "wad of chewed gum" with the tip when she left a restaurant recently.

The 22-year-old actress dined with friends at New York's Bottino restaurant last week, but waiters were furious to discover someone in the party had left the used confectionery alongside their payment.

Britney Spears is set to launch a new perfume to coincide with the release of her new album.

The singer - who has previously lent her name to scents entitled Curious, Fantasy, In Control, Midnight Fantasy, Curious Heart and Believe - will release fragrance Hidden Fantasy on December 2, the same day as her sixth studio LP Circus hits the shops.