In the photo, the fashion designer showed off her long legs in a pair of low-rise white flared trousers paired with a tiny matching corset that accentuated her hips and featured a plunging neckline.

Alba opted for a black-and-white outfit for her party. On the top, she sported a strapless white corset top with a sheer, cinched waist. On the bottom, she went for a pair of high-waisted black pants.

She wore a crisp white corset top from her own fashion house, featuring a plunging neckline, sheer fabric atop her bustier, and a curved, cropped hem that teased her midriff. She paired the top ...