![<p>The Duchess of Cambridge made a surprise appearance at the Easter Sunday service at St George’s Chapel alongside senior members of the royal family. For the ceremony, the 36-year-old wore one of her go-to maternity looks. She donned a Catherine Walker coat dress she debuted back in 2012 on St Patrick’s Day. She accessorised the look with a co-ordinating Lock & Co hat. <em>[Photo: Getty]</em> </p>](https://s.yimg.com/ny/api/res/1.2/2XvVi4paIy.7iBGfLiay9g--/YXBwaWQ9aGlnaGxhbmRlcjtzbT0xO3c9MTI4MDtoPTk2MA--/http://media.zenfs.com/en/homerun/feed_manager_auto_publish_494/11b8b9f4f69865894c981fb7b8479701)
![<p>The Duke and Duchess of Cambridge attended a SportsAid <a rel="nofollow" href="https://uk.style.yahoo.com/duchess-cambridge-goes-casual-final-royal-engagement-140547414.html">event</a> at Olympic Park in Stratford on 22 March. The event marked the 36-year-old’s final engagement before preparing to welcome baby number three. For the occasion, the royal donned skinny jeans and her go-to coat by Goat.<br />Oh, and if you’re hoping to get your hands on her <a rel="nofollow" href="https://www.hobbs.co.uk/product/display?productID=0118-6958-9021L00&utm_source=linkshare&utm_medium=affiliate&utm_campaign=8%2Fbtisdd0hQ&utm_content=10&utm_term=UKNetwork&ranMID=38595&ranEAID=8%2Fbtisdd0hQ&ranSiteID=8_btisdd0hQ-8B3hmV740tHDIEd8xHlwIA&siteID=8_btisdd0hQ-8B3hmV740tHDIEd8xHlwIA&SID=3024823&PubName=Mail+Online&EL_COUNTRY=GB&EL_CURR=GBP&EL_LANG=EN">Hobbs</a> blouse, it’s just landed in the sale… <em>[Photo: Getty]</em> </p>](https://s.yimg.com/ny/api/res/1.2/xhSueTl4rkRUhMfaRzNElQ--/YXBwaWQ9aGlnaGxhbmRlcjtzbT0xO3c9MTI4MDtoPTk2MA--/http://media.zenfs.com/en/homerun/feed_manager_auto_publish_494/508ab5aa01bff3513d53442479b28c5d)
![<p>For one of her final royal engagements before maternity leave, the Duchess of Cambridge welcomed spring in a mint Jenny Packham ensemble. She accessorised the look with a co-ordinating Loeffler Randall clutch and Gianvito Rossi heels. <em>[Photo: Getty]</em> </p>](https://s.yimg.com/ny/api/res/1.2/n0q.ICJCWFgdDPHT3scjAg--/YXBwaWQ9aGlnaGxhbmRlcjtzbT0xO3c9MTI4MDtoPTk2MA--/http://media.zenfs.com/en/homerun/feed_manager_auto_publish_494/6d3c344da7f05aea7036d5908ed4bd7e)
The Duchess of Cambridge's top maternity style moments
It is estimated that over two billion people from across the globe tuned in to watch the Duchess of Cambridge wed Prince William in a Sarah Burton gown that wouldn’t look out of place in a fairy tale.
And the nation hasn’t been able to stop cooing over Kate Middleton‘s wardrobe ever since.
Dubbed ‘The Kate Effect’, the Duchess of Cambridge’s sartorial taste reportedly contributes a cool £1 billion to the economy. Though it’s hardly surprising, as every single item the royal dons has a shelf life of a mere few hours.
And with a third royal baby on the way, how will her new wardrobe affect the nation’s spending habits?
We revisit Kate Middleton’s best maternity style moments from her recently recycled Diane Von Furstenberg gown to her royal interpretation of one seriously coveted Topshop dress.
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Read more from Yahoo Style UK:
Every outfit the Duchess of Cambridge has worn to work in 2017
Kate Middleton’s top fashion moments of 2017
Is this what the Duchess of Cambridge and Prince William are planning to call the royal baby?