(CBS) Royalty, Hollywood and fashion collided on Saturday night at the BAFTA Brits to Watch gala in Los Angeles.

Prince William and Duchess Catherine were in attendance at the black-tie affair, along with a host of celebrities from both sides of the Atlantic, all dressed by some of fashion's biggest names.

Pictures: Royals, stars at BAFTA gala

The Duchess of Cambridge stepped out in a flowing lilac gown from Alexander McQueen and earrings borrowed from Queen Elizabeth II. Her husband joined her on the red carpet in a classic black tuxedo.

Here's a look at what some of the other high-profile guests wore:

-Jennifer Lopez arrived in a deep green gown with cutouts from Emilio Pucci.

-Nicole Kidman wore a light blue, beaded dress with a draped back from Elie Saab and 순천출장샵 carried a Ferragamo silver satin evening clutch with crystal closure.

-Jennifer Garner wore two of the night's biggest trends (an asymmetrical neckline and shades of blue), donning a navy satin sheath gown.

-Actress Rita Wilson also arrived in blue, donning a shimmery, cap-sleeved gown.

-Elizabeth Banks chose a white Versace gown with a high slit and gold buttons.

- Kristin Chenoweth selected a black and gold strapless gown by BCBG by Max Azria.

-Blake Lively walked the red carpet in a light blue embroidered gown by Marchesa, paired with nude heels.

-Zooey Deschanel chose a tea-length, metallic dress by Oscar de la Renta.

-"So You Think You Can Dance" host Cat Deely picked a blue Dior gown with lace details.

-Mary Louise Parker wore a red mermaid gown from Dolce & Gabbana with a large flower at the waist.

-Leslie Mann chose a blush-hued, high-necked gown from L'Wren Scott.

(Dress designer information via CBS News, People and Examiner)

Who do you think was best dressed at the BAFTA gala? Take a look at all the gowns in our gallery and share your thoughts in the comments.