"companions in love for existence!!" the nine-1-1: lone megastar actor penned in a put up to

have fun their 31 years of marriage rob lowe is honoring his wife sheryl berkoff on their thirty first anniversary.

In a post to rejoice the occasion, the west wing megastar, 58, gushed

over berkoff, sixty one, by sharing a photo of her on instagram and penning a sweet notice to her within the caption.

satisfied 31st anniversary, baby," he wrote on friday. "your love has made my world.

You are as lovely, knowledgeable, charming, type, and hilarious as you were so many glorious years ago.

"lowe and berkoff were married when you consider that 1991. They first met whilst the 2 worked

together on rob's 1990 erotic thriller, horrific have an effect on. The pair share sons,

matthew edward lowe, 29, and john owen lowe, 27. In june, rob also paid a candy tribute to the jewellery designer in honor

“

of her 61st birthday. Sharing a lovely photo of berkoff through instagram, he wrote in the caption, "glad birthday to the affection of my lifestyles."