Vogue's British editor is hosting an event in London at the same time as the duchess comes back to the UK.
The couple look unlikely to be allowed to use royal in any future branding, as they prepare to step back from life as senior figures of the royal family.
"There were all sorts of mixed emotions," said Kate Middleton of her famous postpartum debut with Prince George in 2013.
As the ultimate jewellery status symbol, tiaras are mostly the reserve of royalty and aristocrats. Heirloom pieces passed down from generation-to-generation, each tiara has a history as rich as its design.There's a few you'll probably recognise, like Queen Elizabeth II’s Girls of Great Britain and Ireland Tiara (which appears on British currency) as well as the Cartier creation Kate Middleton picked for her wedding day in 2011. But royal families on the continent have some pretty spectacular tiaras of their own, featuring gobstopper-sized sapphires and exquisite botanical motifs.
Meghan Markle wore the Staud Millie dress in September last year during her royal tour in South Africa - and it's now available to buy.
The Duke and Duchess of Sussex have followed an account pledging to focus "on the positives in life".
“Women don't need to find a voice. They have a voice. They need to feel empowered to use it, and people need to be encouraged to listen.”
The Duchess was pictured visiting Mayhew, an animal welfare charity of which she is patron.
Meghan wore £88 Lululemon leggings while carrying Archie and walking her two dogs in Vancouver.
The Duke of Sussex flew out from the UK after attending the UK-Africa Investment Summit in London.
'I know I haven’t always gotten it right, but as far as this goes, there really was no other option.'
It is not yet known whether the Duke and Duchess of Sussex will stay on as patrons of the charities and organisations they represent.