"He knows the value of things. He was an addict for many, many years and he pulled himself out of it, and he's been sober for 11, 12 years now," the 36-year-old Bad Moms star said at the time. "And he knows how many times he's messed up and how many times he's been really close to losing everything."
Bell told ET last November that the two often hated each other, but were luckily able to overcome their differences.
"Our relationship wasn't perfect," she admitted. "We had a couple years of fighting and of growing pains and hating each other, then loving each other and going to couples therapy and we worked it out ... We earned each other."
Shepard and Bell tied the knot in 2013 in a simple wedding in Los Angeles. "We got married in a tiny room in the Beverly Hills courthouse, and it was still one of the best days of my life," Bell, who dated Shepard for six years before he popped the question, gushed.
The two kept their nuptials private, and didn't publicly share any photos from their special day until three years later.