Rachel Zoe spent sleepless nights over the Met Ball dress she designed for Karolina Kurkova.

Model Karolina stunned critics at the prestigious event in New York last week in a custom-made sequinned gold gown from the Rachel Zoe Collection but the designer admits she was very nervous beforehand.

Beyonce Knowles was a contender for worst dressed at the Met Costume Institute Gala in New York last night (07.05.12).

The usually stylish singer donned a Givenchy Haute Couture gown for the occasion - which this year celebrated Miuccia Prada and Elsa Schiaparelli - but the sequinned, feathered disaster failed to impress as she arrived at the event at the city's Metropolitan Museum of Art.

Rachel Zoe wants to make ''beautiful, wearable clothes''.

The stylist-turned-fashion designer says she isn't trying to compete with couture designers such as Marc Jacobs but instead hopes to create a lifestyle brand.

Rachel Zoe wants her label to become a full ''lifestyle brand.''

The stylist and designer is aiming for her fashion empire to encompass every aspect of clothing and accessories so people can dress ''head-to-toe'' in her clothes.

Dannii Minogue is a huge fan of Rachel Zoe.

The singer-turned-fashion designer says she really admires the celebrity stylist because she always manages to look good, no matter what she's doing.