Prince Harry's aunt was one of the last to arrive before the ceremony began.
Prince Harry's cousins arrived hand in hand.
The polo player and his wife stunned in picture perfect ensembles.
Princess Diana's younger brother and his wife coordinated in shades of purple.
Prince Harry's expectant cousin and her husband were all smiles as they showed up for the ceremony.
Queen Elizabeth II's cousin and his wife took in the sights as they arrived for the special occasion.
Prince Harry's grandfather was walking on his own into the chapel, roughly a month after undergoing hip surgery.
The music icon was hard to miss in the crowd of attendees.
The Suits actor gave photographers a wave as he headed into the chapel.
The rugby player and his wife looked picture perfect in a three-piece suit and green design.
The former prime minister and his wife headed inside the chapel together.
Prince Harry's aunt waved to the crowd as she sported an elegant periwinkle blue ensemble.
Prince Harry's cousin made a fashion statement in a blue dress embellished with appliqués.
Prince Harry's cousin arrived for the special day in a powder blue dress and matching hat.
Meghan Markle's soon-to-be sister-in-law arrived to the chapel sporting an Alexander McQueen silk coat and walked inside holding her daughter Princess Charlotte's hand.
The Suits star stunned in a red floral dress with a cream hat and heels.
Prince Harry's cousin looked glorious in green as she arrived to the chapel.
Meghan Markle's Suits co-star and the Pretty Little Liars alum smiled to photographers before going inside.
The Late Late Show host and his wife headed inside together.
Meghan Markle's Suits co-star and her husband coordinated in shades of blue for the wedding.
Meghan Markle's Suits co-star and his wife embraced for a photo before taking their seats inside.
Prince Harry's longtime friend and his wife were all smiles as they arrived for their pal's special day.
Meghan Marke's tennis gal pal arrived on the arm of her husband in a pink Versace design and matching fascinator.
The Grammy-winning songstress was having fun in florals as she made her way into the chapel.