Could it be? Kate Middleton's Fourth Pregnancy Sparks Excitement

The Prince of Wales and Princess Anne attend the annual St. Patrick's Day parade.

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For the first time, Kate takes the salute.

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Kate usually dresses in green, Ireland's national color, for the occasion.

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During the event in 2013, Kate got her shoe's heel caught in a drain cover.

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Kate was able to keep her footing thanks to Prince William's assistance.

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Kate recently went to the Salisbury Plain Training Area and took part in military first aid drills.

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She assisted soldiers and inquired about first aid techniques used by Army medics.

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Kate said it was her first time using a tourniquet on a soldier's calf.

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Kate was ecstatic about the hands-on training experience.

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