The Duke and Duchess of Sussex are due to start their two-day tour of Ireland later in the day on Tuesday.
The littlest prince, just two months old, was christened at The Chapel Royal at Saint James's Palace in London, England, on Monday.
The royal family came out to support the littlest prince!
The Duchess of Cambridge stunned in white for her third child's christening in London.
The newlyweds arrived to St. James' Palace in style on Monday.
England's littlest prince was christened by the Archbishop of Canterbury at the same chapel where his older siblings were christened.
The tiny royal is set to be christening on Monday.
A royal source tells ET that Markle is due back to cheer on her friend at this year's tournament, most likely sometime next week.
The 34-year-old confirmed she's expecting her first child with husband James Matthews earlier this month.
The tennis pro can't stop gushing about the royal, and fellow mom.
The Duke of Cambridge visited an ancient city in Jordan, where his wife once lived as a child.
The Duke of Cambridge celebrated his 36th birthday on Thursday charitably - opening a center for injured service members.
Kensington Palace announced that the royal couple's third child will be christened next month.
The third child of the Duke and Duchess of Cambridge will be christened in July.
