Backgrid Mila Kunis turned 42 on August 14. TheBlack Swanactress celebrated by enjoying a rare dinner date with Ashton Kutcher. The longtime couple met in 1998 and have been together since 2012. Mila Kunisis celebrating the big 4-2 with a rare date night opposite her husband,Ashton Kutcher, in Los Angeles. The formerThat's '70s Showco-stars were spotted outside La Dolce Vita, an Italian restaurant in Beverly Hills, the night before Kunis's birthday. In photos captured of their outing, Kutcher wears a loose henley, black pants, and a baseball cap while Kunis models a long black maxidress. Both husband and wife were smiling ear to ear. Getty Images As for their mismatched 'fits? The casual-formal contrast calls to mind fellow A-list couple,Justin and Hailey Bieber, who frequently appear to dress withcompletely different occasionsin mind. Getty Images Kunis and Kutcher don't typically court attention and are raising their children away from the spotlight. Earlier this month, however, the duo were spotted courtside at a WNBA game. Basketball, it turns out, is a family affair in the Kunis-Kutcher household; last summer, kidsWyatt and Dimitrijoined their parents at an Indiana Pacers game in an outing that doubled as theirpublic debut. Getty Images Kunis and Kutcher have been an item since 2012. The longtime couple originally met on the set ofThat '70s Showway back in 1998. When they began dating 14 years later, both actors had recently starred in movies about friend hook-ups (Friends With Benefits, anyone?). "We were just like, let's just hook up," Kunis later toldMarc Maron. "Let's have fun. We're both single. We both trust each other. Everything's great." Read the original article onInStyle