"Thank you everyone for your lovely messages on The Duchess of Sussex's birthday", Kensington Palace added.
Meghan Markle celebrated her 37th birthday yesterday at the wedding of Prince Harry's pal Charlie van Straubenzee.
Van Straubenzee has known the prince since childhood and was an usher at Harry and Meghan's wedding at Windsor Castle in May. The Duchess of Sussex turns 37 on August 4.
PA Wire/PA Images The Duchess of Sussex talks to fellow guests as they arrive to attend the wedding of Charlie van Straubenzee and Daisy Jenks at St. Mary the Virgin Church in Frensham, Surrey.
The Duchess of Sussex showed up to the ceremony in an elegant yet affordable dress from Club Monaco, pairing her royal ensemble with a pair of Aquazzura pumps, a fascinator by her preferred milliner, Philip Treacy, and a Kayu clutch with a gold clasp.
Prince Charles and Camilla also posted a sweet snap to mark Meghan's first birthday as a royal.
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Van Straubenzee and his older brother Tom are two of Prince William and Prince Harry's oldest friends; Tom also serves as Princess Charlotte's godfather. Or perhaps the Duchess will be able to reach out to her dad to try and heal the rift.
Samantha Markle has never shied away from expressing her opinions about her estranged royal sister, and now she's made another dig - accusing Meghan of ignoring their father's birthday.
Samantha later admitted to having set up the photos saying she has no problem "cashing in" on her royal sister, telling Good Morning Britain, "We all have to survive, money makes the world goes around - if you want to call that cashing in".
The next year could also be one that brings an expanded family for Meghan and Harry, now aunt and uncle to William and Kate's three young children.
Harry also alluded to children being in the couple's future in an interview last November.