Cindy Ord/Getty Images

This December, Bette Midler will celebrate her 30th wedding anniversary with husband Martin Von Haselberg - a rare achievement by Hollywood standards.

What makes their decades-long marriage even more astounding is the fact that Midler, 68, and Von Haselberg, 65, a German performance artist, commodities trader and actor, tied the knot in a $45 dollar ceremony in Las Vegas just six weeks after they met.

In 1986, they had a daughter, Sophie von Haselberg, now 27 and an aspiring actress.

Midler considers Sophie her "greatest accomplishment" but admitted to People magazine, "I didn't do it by myself. My husband is probably the greatest father who ever lived. He's fantastic. He picked up the slack when I was on the road. He taught her a foreign language. He taught her to cook."

Back with her first album in eight years and a new tour, Midler, whose stage, recording and film career spans five decades, shared with People the secrets to her successful marriage.

Read: Bette Midler on Covering TLC and Touring Again

Listen to Bette Midler Cover TLC's 'Waterfalls'

"It's rare," Midler told the magazine.

Here are Midler's rules for a happy Hollywood marriage.

1. Give Each Other Room

"I think the secret is giving each other a lot of lead and a lot of room and not being in each other's faces all the time."

2. Listen and Compromise

"Listening is very hard. And compromise. Compromise is the hardest of all," Midler said, adding that deciding to give in is "very hard, but sometimes you have to say, 'It's not worth it. The fight is not worth it. You have your way and maybe next Thursday I'll have mine.' Keep supporting each other. That's hard, too."

3. Let Go

"It's best to pick your fights wisely and just meditate. Stay calm. Don't go from zero to 60 in two seconds. Just stay calm and try to breathe. Breathing is really important."

4. Stop Blaming

"Don't diminish each other. Don't make each other less. Don't try to make each other wrong all the time. Don't blame. Stop assigning blame. The blaming, I think, is the worst part. It's so [easy to do], because you don't want to carry the burden yourself. You want to push it onto someone else. But honestly, you have to learn not to do that."