They marked another year of wedded bliss on fashion's biggest night.
And Justin Bieber proved to be a doting husband as he helped wife Hailey on the bright white carpet at the Met Gala on Monday night in New York.
The 27-year-old singer carefully fixed his beloved's face before ushering her up the stairs at the Metropolitan Museum of Art for a night celebrating In America: A Lexicon of Fashion.
What a guy: Justin Bieber proved to be a doting husband as he helped wife Hailey on the bright white carpet at the Met Gala on Monday night in New York
Hailey simply stunned in a black strapless Yves Saint Laurent gown which featured a sparkling plunging neckline.
In addition to a dazzling Tiffany & Co. Blue Book diamond necklace, the stunner accessorized with a number of diamond and platinum rings from the jeweler.
She wore her blonde hair in loose waves created by Jen Atkin, and rocked a slew of Pat McGrath products on her face with glam created by Mary Phillips, which included a nude lipstick, Divine blush and the Sublime Skin Highlighting Trio in Fine Gold.
Model behavior: The 27-year-old singer carefully fixed his beloved's face before ushering her up the stairs at the Metropolitan Museum of Art for a night celebrating In America: A Lexicon of Fashion
Beautiful: Hailey simply stunned in a black strapless Yves Saint Laurent gown which featured a sparkling plunging neckline
Glossy: She wore her blonde hair in loose waves created by Jen Atkin, and rocked a slew of Pat McGrath products on her face with glam created by Mary Phillips, which included a nude lipstick, Divine blush and the Sublime Skin Highlighting Trio in Fine Gold
While posing for pictures, the Canadian pop star, who wore a dark suit and white button-down, kept one arm tenderly around his spouse's waist.
He completed his ensemble with a pair of white sneakers and a black Drew suitcase from his own clothing brand.
At one point, Justin was also offered some help adjusting his suit before snapping a few more photos.
The Vogue cover girl, 24, also engaged in some light PDA as she placed one hand gently on her husband's back.
As for what inspired his 'stripped-back' ensemble, Justin told Vogue: 'I’m married now, so things
