Kate Middleton Shuts Down the Red Carpet in Gorgeous Gown at 'Spectre' Premiere

There are few things more iconically English than super spy James Bond, so it only makes sense that when 007's new film Spectrepremiered in London, Kate Middleton would be in attendance, looking unimaginably classy.

The 33-year-old Duchess of Cambridge looked stunning in a light blue, flowing gown that simply glowed with her regal awesomeness.

WATCH: 7 of the Coolest Moments From the New 'Spectre' Trailer

Flanked by her husband, Prince William, and her brother-in-law, Prince Harry, Kate was everything fans of the royals love: gorgeous, stunning, and yet still down-to-earth.

However, Spectre stars Lea Seydoux, Daniel Craig and Monica Bellucci managed to give the royal trio a run for their money when it came to pure style.

PHOTOS: Kate Middleton's Regal Styles

The 30-year-old Seydoux, who plays Bond girl Madeleine Swann, looked striking in a shimmering gold gown that shined as bright as her smile.

Bellucci, who at 51 is the oldest Bond girl in the history of the franchise, proved that she's also one of the most drop dead beautiful Bond girls as well, rocking a green velvet Ralph & Russo gown with a plunging neckline.

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As for Craig, it's no surprise the man knows how to wear a tux. Making a tuxedo look good is about 80 percent of playing James Bond in the first place.

The 47-year-old star also marveled over the royals' presence at the Spectre premiere, telling ET, "It makes it extra special for everybody who comes to see it."

WATCH: A Behind-the-Scenes Look at the Insane Stunts of 'Spectre'

Also in attendance was Sam Smith, who performed the Spectre theme song, "Writing's on the Wall." Smith switched things up and went with a black-and-white look, mixing a white tux jacket with traditional black tux slacks.

NEWS: Sam Smith Confirms He's Singing the James Bond 'Spectre' Theme Song!

He pulled the look off perfectly and looked skinner and healthier than ever as he walked the red carpet in his bold ensemble.

Spectre,which marks Craig's fourth time playing the iconic English super spy, hits theaters Nov. 6. Check out the pulse-pounding trailer for the action epic below.

James Bond Delivers Explosive Action in New 'Spectre' Trailer

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