Although the Princess of Wales won't be heading to Estonia, she made her return to the annual Commonwealth Day ceremony on Monday, March 10 after skipping last year's event due to her cancer diagnosis.

A body language expert says the lack of PDA from Prince William and Kate Middleton on Commonwealth Day is actually a good sign.

On March 12, it was announced that the Prince of Wales, 42, will embark on a solo visit to the Baltic state bordering Russia on March 20 and 21. His wife, Kate Middleton, who revealed in January that she is in remission from cancer, will not be joining him.

The Prince of Wales will embark on his journey to the Baltic state bordering Russia on March 20 and leave the next day in a show of support for British troops.

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