Their lips touched just for a moment - but it was enough to send the crowd wild.
In one of the high points of the day, Prince William shyly planted a kiss on his newly-created Duchess - drawing huge cheers from the thousands of spectators watching around Buckingham Palace.
As the wedding party watched the fly past the crowd got another chance to see them puckering up.
William leaned over and kissed his radiant bride, after asking her: "One more kiss?"
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