'Grey's Anatomy' star Giacomo Gianniotti celebrates 1st wedding anniversary: 'Best decision I ever made'

"Advice to all, marry your best friend," Giacomo Gianniotti wrote in a post.

"Grey's Anatomy" actor Giacomo Gianniotti celebrated his first wedding anniversary with his wife Nichole Gianniotti on Tuesday.

To mark the special day, the actor, who plays Dr. Andrew DeLuca on the hit medical drama, shared a throwback from their wedding in Rome.

"Our marriage has had it’s first trip around the sun! Can’t believe it’s already been a year," he wrote in a post.

"Happy Anniversary amore mio! Still lovin, laughin and dancing in kitchens," Gianniotti continued, adding marriage is the, "best decision I ever made."

He also shared some advice for his fans: "Marry your best friend."

Nichole Gianniotti, a professional makeup and hair artist, remembered the day in a series of social posts as well. She shared one shot with her husband dancing in Rome's famous Piazza Navona.

"Everyday with you just gets sweeter," she wrote in a message to her husband. "You are my everything and beyond."

Check out more images from their wedding in Italy below: