The former first lady visited the royal couple in Windsor, England, earlier this week.
The image is from baby Archie's private christening service from July.
A palace spokesperson confirmed the duke and duchess' holiday plans to ET.
The couple are already parents to 6-month-old son Archie.
The couple will be visiting the Duchess' mom, Doria Ragland, a source tells ET.
The Duke and Duchess of Sussex were very focused on military service men and women and their families this week.
Meghan had more to say about her life in the spotlight during a recent visit to the opening of Luminary Bakery’s second location.
Martin opened up on 'CBS This Morning' on Thursday about the Duchess of Sussex's recent documentary.
The duke and duchess of Sussex are expected to take some extended family time off starting next month, a source says.
ET is breaking down the biggest revelations made by the Duke and Duchess of Sussex in their new documentary.
The nearly 5-month-old royal made his first public appearance in South Africa.
Day three of the Sussexes royal tour of Africa was a family affair!
She also met a mom who thought her 6-week-old daughter was the perfect match for baby Archie.
Meghan Markle and Prince Harry's nearly 5-month-old son, Archie, made his big tour debut on Wednesday.
