The 35-year-old fashion designer looked stunning in the royal blue gown, which featured a deep neckline and cutouts at her sides, as well as a high slit that showed off her toned legs.
She topped off her look with long, dangling earrings and a tiny black clutch.
Johnson, meanwhile, kept his outfit simple with a black dress shirt, black jeans and a black blazer, letting his wife take the spotlight as they dined at Mastro's Steakhouse.
The pair, who share two children together — Maxwell, 4, and Ace, 2 — have been enjoying some quality time together lately.
On Thursday, May 12, the pair enjoyed dinner at Mr. Chow in Malibu, with Simpson showing off her curves in a head-to-toe buff ensemble, including a ruched bodycon frock, a matching studded Valentino tote and strappy heels.
The singer does have good reason to take these well-deserved breaks; the former teen pop star has been sharing Instagram posts of herself in the recording studio, presumably working on an upcoming album.
“Studio Vibin’,” she captioned one black-and-white photo.
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