Hailey Bieber Wears Cutout Blazer Dress With Justin Bieber at Kendall Jenner's 818 Tequila Launch Party

Hailey and Justin Bieber stepped out in style to support their friend Kendall Jenner.

The model wore a black tie-front blazer dress with cut-out designs to the second annual 8.18 party at Little Beach House Malibu in Los Angeles, where they celebrated the launch of Eight Reserve, the latest premium Añejo to be added to Kendall Jenner's brand of tequila 818.

She teamed the look with black thigh high tights, a black shoulder bag, sunglasses and chunky black loafers by Alexander Wang.

Hailey Bieber at the 2nd Annual 8.18 Party at Little Beach House Malibu. GC pictures

Justin Bieber opted for a more casual look, wearing baggy light-wash denim jeans and a gray hoodie from his clothing brand Drew House and a mustard corduroy baseball cap, also from his brand.< /p>

Other stars in attendance included members of the Kardashian-Jenner clan, including Kim Kardashian, Khloé Kardashian, Kylie Jenner, Kris Jenner and Caitlyn Jenner, as well as Zack Bia, Fai Khadra and more.

Justin Bieber at the 2nd Annual 8.18 Party at Little Beach House Malibu. GC pictures

Eight Reserve was developed in Jalisco, Mexico. Each bottle was handcrafted from a ceramic carafe produced by local artisans in Pachuca, Mexico, symbolizing this milestone in 818's history. The new reserve will be available for purchase from September 19 at $200.

Earlier this week, Kendall Jenner hosted a party at The Fleur Room in Los Angeles to kick off the second annual week of 8.18 festivities. For the occasion, she wore a vintage chic Jean Paul Gaultier strapless dress that featured...