Sophie is a working member of the Royal Family which means she will often attend royal engagements and events.
She also has a number of her own interests in charities and organisations and is patron to more than 80 patronages.
The royal couple also have their own foundation, The Wessex Youth Trust, which was established in 1999.
Speaking to Express.co.uk, body language expert Judi James explained how the couple’s body language has changed over the years.
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Announcing their engagement in early 1999, the couple posed for photos at St James’s Palace.
Judi explained: “Unlike the fireworks between his brothers and their wives, Edward’s marriage to Sophie began with a huge amount of press and public interest before they slowly slid under the radar to get on with their lives and their relationship and start their family.
“Their trick to disappearing from view was similar to the technique used by William and Kate as well as generations of royals before them, which was to retain a level of blandness so that they could get on with their duties but without attracting the kind of soap opera interest that would leave fans begging for more.
“Their PDAs as a young engaged couple were negligible and they posed looking pleasant but formal…