COBRA TEAM / BACKGRID (2) Ashton Kutcher and Mila Kunis celebrated their 10th wedding anniversary in Italy on July 4 The couple were seen boarding a yacht together in coordinating outfits TheThat '70s Showcostars share two kids, 10 and 8 years old Ashton KutcherandMila Kunisare celebrating a decade of marriage abroad. The pair were photographed stepping aboard a yacht on Thursday, July 3, in Venice, Italy, while on a vacation surrounding their 10-year wedding anniversary. Kutcher, 47, wore a blue-and-white patterned shirt paired with khaki shorts, while Kunis, 41, wore a blue-and-white floral patterned dress and flip flops. The couple married on July 4, 2015,in a ceremony held at the Secret Garden at Parrish Ranch in Oak Glen, Calif. The couple's relationship first began in 2012, years after they met as costars on the set ofThat '70s Showin 1998. COBRA TEAM / BACKGRID Never miss a story — sign up forPEOPLE's free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. The couple share daughter Wyatt, 10, and son Dimitri, 8. Kutcher and Kunis have previously been open about their desire to keep their children's lives private. COBRA TEAM / BACKGRID "We don't share any photosof our kids publicly because we feel that being public is a personal choice,"The Ranchactor said in a 2017 interview withThrive Global Podcast with iHeartRadio."My wife and I have chosen a career where we're in the public light, but my kids have not so I think they have the right to choose that." On theWTF with Marc Maronpodcast in 2018, Kunis said there were "no feelings whatsoever" between them during their time makingThat '70s Showtogether. "It's the weirdest story that nobody believes, but it's the God's honest truth," theLuckiest Girl Aliveactress said. "You know, he and I talk about it and we're like, 'God.' " Araya Doheny/Getty Images "Had we connected [in the past] would we have connected? No," she continued. "The people that we were back then would never be together. But it's just such a bummer that we missed out on 20 years together. I look back and I think, 'We could have spent 20 years together.' " Read the original article onPeople