Markle is pictured wearing a Ralph & Russo dress with a sheer embroidered top - a somewhat risqué choice for a soon-to-be royal - and Harry is a navy suit.
In the second photograph, the couple sit on the steps of the house, with Meghan leaning into her husband to be.
The images were released Thursday after being taken by Alex Lubomirski earlier in the week at Frogmore House in Windsor.
The images, which were taken by Harper's Bazaar regular photographer Alexi Lubomirski, feature a close-up shot, as well as another where the two are sat down.
Prince Harry and Meghan Markle have marked their engagement by sharing a series of portraits of them embracing. "As a way to say thank you, they have made a decision to share this candid photograph from the day of their portrait sittings directly with all of you", Kensington Palace said in a statement.
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Secondus said: "No matter what a political party does, if it does not have effective communication, it can't achieve much". He explained that the selection of officials during the national delegates conference of the party in Abuja was illegal.
"I can not help but smile when I look at the photographs that we took of them, such was their happiness together".
Harry and Markle are set to tie the knot at St. George's Chapel at Windsor Castle on May 19, 2018.
Prince Harry and Meghan Markle may be from wildly different worlds, but both, in their own way, will have an acute awareness of the importance of personal branding.
Meghan also attended the Kensington Palace annual staff Christmas party at Beach Blanket Babylon in Notting Hill on December 13. Markle opted for a similar look by Self-Portrait at Wednesday's pre-Christmas lunch at Buckingham Palace.