Rob Loweis honoring his wifeSheryl Berkoffon their 31st anniversary.

“Partners in love for life!!” he added.

Lowe and Berkoff have been married since 1991. They first met when the two worked together on Rob’s 1990 erotic thriller,Bad Influence. The pair share two sons, Matthew Edward Lowe, 29, and John Owen Lowe, 27.

In June, Rob also paid a sweet tribute to the jewelry designerin honor of her 61st birthday. Sharing a beautiful picture of Berkoff via Instagram, he wrote in the caption, “Happy Birthday to the love of my life.”

“You are the whole package, and I am blessed,” he continued. “Here’s to many more years of love and fun! Xoxo.”

Pascal Le Segretain/Getty

MONTE-CARLO, MONACO - JUNE 18: Rob Lowe and wife Sheryl Berkoff attend the closing ceremony of the 59th Monte Carlo TV Festival on June 18, 2019 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)

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Earlier this year, the9-1-1: Lone Staractoropened up to PEOPLEabout seeing something truly special in Berkoff since the start of their relationship.

“I had the feeling that if I was ever going to be able to make it work with anybody, it was Sheryl,” Lowe said as he recalled feeling “seen” for the first time in his life.

The actor also shared during the interview that he remained forever grateful that Berkoff took a chance on him.

“She saw things in me that nobody had ever seen before,” he said at the time before calling his marriage to Berkoff one of life’s greatest “miracles.”

“I still think she’s the hottest, sexiest, most beautiful, insane, complicated, entertaining person that I know, in addition to being a great mother,” he added of his wife.

source: people.com