Alek Wek attended Allegra Versace's birthday celebrations in this multi-colour dress.

Did this outfit leave you smiling as much as Alek?

Rihanna channeled Michael Jackson in this white and black jacket with white gloves, despite the heat in New York last night, as she attended Allegra Versace's 23rd birthday party at the Gramercy Hotel.

The Fash Pack favourite Taylor Momsen put her rocker stamp on a pretty pink dress, teaming it with black distressed ankle boots at Allegra Versace's 23rd birthday party at the Gramercy Park Hotel in New York last night.

What do you think of her look?