Biebers Have Rare Family Night Out in Beverly Hills

and wife Hailey have made date nights a regular occurrence, but they usually leave their son Jack at home with a trusted caretaker.

But the couple made their evening out a rare family affair as they brought the 19-month-old toddler to dinner at Matsuhisa sushi restaurant in Beverly Hills on Wednesday.

Bieber was ever the devoted father as he was .

The pop music star, whose , was dressed down in his usual skateboarder chic including loose jeans, a gray print T-shirt and a green hoodie.

He sported a blond buzzcut and scruffy beard while his significant other looked every inch the supermodel.

She wore a stylish black leather jacket and her hair was slicked back in a tight bun which accentuated her sculpted features and allowed a full view of her hoop earrings.

The sighting comes on the heels of a reported scuffle between the Baby hitmaker and his former mentor Usher at Jay-Z and Beyonce's Oscars afterparty, known as the 'Gold Party,' on March 15.

Sources told TMZ that Usher approached Bieber with what appeared to be 'energy and anger' during the bash at West Hollywood hotspot Chateau Marmont, but insisted the disagreement never became physical.

Other insiders countered that the confrontation resulted in a fistfight, though the reason for the alleged dispute remains unclear.

The devoted father did the honors of pushing Jack's stroller while at the eatery, which is a favorite of the couple's