Km Kardashian attended the launch of her new weight management product, "QuickTrim," at Westfield on Saturday (May 19) in London, England.

She donned a demure white crepe sheath dress with jewel encrusted and padded shoulders by Lanvin.

Her modern dress was matched with black platform pumps with an ankle strap and a chunky heel by Celine.

A tall bun and a pink lip shade rounded out her stylish look.

Buy It:

Lanvin Embellished Crepe Dress at Nordstrom

Celine Black Leather Platform Ankle Strap Stacked Heels at Bluefly

Kim Kardashian came out for the launch of her new weight management product, "QuickTrim," on Friday (May 18) in London, England.

She rocked a black sleeveless dress with a halter neckline, a swirl pattern with mesh insets on one side, and an asymmetric hemline from the Stella McCartney Spring 2012 collection.

Kim teamed her dress with black open toe and ankle wrap sandals by Celine.

She also kept her hair down in a straight style with dark eye makeup and a glossy nude lip shade.

Miranda Kerr also wore the same dress to the "My Valentine" music video premiere, which was posted here.

Buy It:

Similar dress by Stella McCartney:

Stella McCartney America Sleeveless Dress at farfetch.com

Stella McCartney Embroidered One Shoulder Gown at Neiman Marcus

Similar shoes:

Michael Kors Two-Tone Sandals at Neiman Marcus

Manolo Blahnik Chaos Sandals at Barneys New York