With the aftershocks of several high profile splits – among them Heidi Klum's marriage to Seal and Demi Moore's to Ashton Kutcher – still being felt, it's easy to forget that some celebrity marriages do endure.

No one's wedding vows have been tested more than Michael Douglas and his leading lady Catherine Zeta-Jones, but they are still going strong. 

Denzel Washington and his wife Pauletta are still in love as they edge towards their 30th anniversary.

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Meanwhile, Elton John and David Furnish have some two decades together to sing about.

Also doing fine are the Carters, aka Beyonce and Jay Z, Emma Bunton and her fiancé Jade Jones, as well as Gary Barlow and his missus Dawn.

And, then of course, there is that exemplar of a happily married couple, the Queen and Prince Philip, who in 2007 celebrated their diamond wedding.