The royal groom arrives to Windsor Castle with his brother and best man by his side.
The couple recited their vows in front of family and friends on Saturday.
The ebullient child, one of the Mulroney twins, was caught with an infectious grin on camera while holding Meghan Markle's veil.
Their 3-week-old little brother, Prince Louis, was not expected to attend the wedding.
The 36-year-old actress is yet again breaking royal tradition.
The mother of the soon-to-be member of the royal family nicknamed her "Flower" as a little girl and inspired her toward philanthropy.
This marks Prince Philip's first public appearance since undergoing hip surgery last month.
Between the A-listers and royals, the couple's nuptials were truly a star-studded, regal affair!
Gabriel Macht, Patrick J. Adams, Sarah Rafferty and Gina Torres were among Markle's castmates seen arriving at Windsor Castle on Saturday.
The bride's famous gal pals made their grand entrance at St. George's Chapel in Windsor, England, on Saturday.
George and Amal Clooney, Priyanka Chopra and Serena Williams were among the A-listers in attendance on Saturday.
Williams also experienced a last-minute switch-up to her wedding last year, when her father said he was too nervous to walk her down the aisle an hour before her ceremony.
ET spent some time with the actress over the years, long before she was ever a princess-to-be.
Victoria confirmed she and David would be attending Prince Harry and Meghan Markle's wedding last month.