Kristen Bell posts heartfelt tribute to Dax Shepard

Kristen Bell posts heartfelt tribute to Dax Shepard.

The 40-year-old actress has taken to Instagram to pay tribute to her husband, who celebrated his birthday on Saturday.

It's my favorite day of the year! When I get to celebrate the birth of my very favorite human on earth, and spoil him till he rots! The one who's commitment to growth is astounding, who's honesty is admirable, and who makes me laugh more than anyone. I love u so dearly, @daxshepard , Kristen wrote on Instagram:.

Kristen previously revealed she was "desperate to impress" Dax at the beginning of their romance.

When we met, I was desperate to impress him. I’d be wearing jeans shorts, cooking a three-course meal … No interest from Dax. He is the only man I know who doesn’t want a 1950s housewife, The blonde beauty explained:.

Despite this, the Hollywood star admitted they still "fight about everything"

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