Kate Middleton officially joined the style elite, ranking on the top of Vanity Fair's International Best Dressed list.

This is the second time for Kate to rank in Vanity Fair's list. She was previously ranked in the list in 2008, when she was Prince William's then girlfriend.

Since Kate's fairytale royal wedding on April 29, the Duchess of Cambridge consistently grabbed headlines with her unique style – sometimes chic and regal and other times approachable and down-to-earth.

Especially during her North American tour with Prince William, Kate drew international attention that eclipsed even the stars in Hollywood. Her fashion sense has been acknowledged by the whole world.

Others on Vanity Fair’s 2011 list include President Barack Obama and First Lady Michelle Obama, who are listed together as a best-dressed couple.

Stars, who are listed for the first time this year include Colin Firth, Armie Hammer, Janelle Monae and Justin Timberlake.

Start the slideshow to check out Kate's unique style of dresses.

Must Read: Kate Middleton Pregnant With a Twin of Boy and Girl? (PHOTOS)

Must Read: Kate Middleton versus Lady Gaga - How different is their Fashion Sense? (PHOTOS)

Must Read: Top 10 Reasons How Kate Middleton Won Prince William's Heart and Conquered the World (PHOTOS)

Must Read: Prince William and Kate Middleton Return Homebodies, Enjoying Ordinary Life (PHOTOS)

Must Read: Prince William and Kate Middleton Receive SAS (Hostage Rescue) Training (PHOTOS)

Also Read: UK Riots Continue: 16,000 Police Officers Deployed To Quell Burning City [Latest Photos]