Danny DeVito and Rhea Perlman are separating after 30 years

Danny DeVito and Rhea Perlman are separating after 30 years of marriage. They wed back in 1982, when he was best known for the TV series Taxi and she was just getting famous as the grumpy waitress Carla in the newly-launched sitcom Cheers. He's 67, she's 64.

Together they ran a production company that produced blockbusters including Pulp Fiction and Garden State, and they have three adult children together.

Click through the gallery to see some of the most enduring celebrity marriages. The cliche is that Hollywood unions just don't last - which stars have bucked the trend?