Sinead O'Connor's 16-day marriage not as rare as you think

DUBLIN, IRELAND - MARCH 3: Irish singer Sinead O'Connor attends the Irish Meteor Awards aftershow party at Renards nightclub March 3, 2003 in Dublin, Ireland. (Photo by Getty Images)
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Irish singer Sinead O'Connor attends the Irish Meteor Awards March 3, 2003, in Dublin.)
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Sinead O'Connor's 16-day marriage to therapist Barry Herridge has tongues wagging, coming as it does just weeks after Kim Kardashian and Kris Humphries ended their 72-day union that began with a televised "fairytale" wedding.

But short-lived marriages are not uncommon in Hollywood. Does anyone remember Britney Spears' 55-hour marriage to Jason Alexander?

Pictures: Hollywood's short-lived marriages

Nor is it a modern pattern. The late actor Dennis Hopper and The Mamas & the Papas songstress Michelle Phillips were married on Oct. 31 and divorced a week later on Nov. 8. The year was 1970.

In that same decade, Cher and musician Gregg Allman stayed married just long enough to produce a son, Elijah Blue.

There does seem to be some patterns emerging, however. A lot of these short-lived marriages began in the wedding chapels of Las Vegas.