Keeping a marriage in Hollywood is tough, but the following stars have managed to keep their relationship strong through all the ups and downs — but how have they done it?

The couples below are proof that long and happy marriages do exist in the industry, even if obstacles are put in front of them. One of those pairs are Keith Urban and Nicole Kidman, who have been together since 2006. The country singer once shared the secret to Hit 104.1 2Day FM.

“We just love being together, more than anything,” the former American Idol judge revealed. “We’re best friends and we love doing everything together — we’re the priority. Everything else comes after that.”

Scroll on down below to see more celebrity couples reveal their secrets to a long and happy marriage!