Duchess Catherine glows as she steps out for her last engagement before maternity leave

She’s waving goodbye to royal duties - temporarily, of course.
Duchess Catherine, Duchess Kate, Duchess of Cambridge, Kate Middleton

Duchess Catherine has carried out one last day of royal engagements before going on maternity leave, and it was absolutely jam packed!

Kate – who is expecting her third little prince or princess next month – and husband Prince William spent the day in London celebrating the Commonwealth, ahead of the Commonwealth Heads of Government Meeting in April.

The husband and wife duo were all smiles as they completed their last joint engagements ahead of the arrival of their third baby.

The Duchess dressed her baby bump in black skinny jeans and a patterned Hobbs top for the busy day. She completed the down-to-earth look with a cream coat by one of her favourite brands, Goat.

Meanwhile, William kept things casual in a grey blazer and white button-down shirt.

Kate and husband William spent the day celebrating the Commonwealth, ahead of the Commonwealth Heads of Government Meeting in April.

Wills, 35, and Kate, 36, kicked off the day at Olympic Park with a visit to SportsAid, a charity that helps challenge and encourage the next generation of British Paralympic athletes.

The royal couple then travelled to a community cafe in Clerkenwell, east London to help locals and volunteers put the finishing touches on a meal for this year’s Commonwealth Big Lunch – a project which aims to bring as many people together as possible for a sit down meal.

There, the very pregnant royal opened up about her up children Prince George and Princess Charlotte.

Speaking to member Yolanda from Bolivia, Kate said: “I’ve done that with George and Charlotte – making pizza dough. They love it because they can get their hands messy.”

Turning to an interpreter, she continued: “I was just saying how I really enjoy making pizza dough with George and Charlotte because they like getting their hands messy.”

Kensington Palace said her Commonwealth appearances would be her “last before starting her maternity leave.”

Earlier in the week, Prince William told Beatles hero Ringo Starr during his Knighting ceremony he believed his wife might pop “any minute now”, Hello! Magazine report.

The jam packed day marks the pregnant royal’s very last string of engagements before going on maternity leave.

Meanwhile, a source recently told The Sun baby number three could be due on a very patriotic holiday. The publication claims the royal couple will welcome their bundle of joy “on or around” St George’s Day on Monday, April 23rd.

“There’s no certainty with due dates of course but the Duchess is working off a date around St George’s Day and it would be a lovely patriotic coincidence if he or she were born then,” an insider explained.

WATCH: Relive George and Charlotte’s cutest moments together. Post continues…

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To prepare royal watchers for Baby Cambridge, the Duke and Duchess have set up a website dedicated to Royal Baby updates, which you can follow here:

We’ll be watching it with an eagle eye!

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