Princess Diana and Prince Charles at a welcome ceremony in Toronto in 1991.
Almost the minute the engagement was announced, speculation about the ending of this fairytale romance began. The question on everyone's mind: Will Kate and William follow in the footsteps of Prince Charles and Diana, whose stormy relationship ended in a very public divorce in 1996?
At 1-20, odds are heavily in favor of the couple still being together on their 10th wedding anniversary. By contrast, bookmakers are offering odds of 8-1 that they'll have split by then.
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Last updated April 27 2011: 10:49 AM ET
Source: William Hill