Duchess of Cambridge Kate Middleton
The sister of the bride headed in to take her seat alongside a bevy of youngsters.
Prince George & Princess Charlotte
The famous siblings share a precious moment before entering the church.
Maria Borrallo
Prince George and Princess Charlotte's nanny arrived to the church ahead of the two tots, who are members of Pippa's bridal party.
Carole Middleton and James Middleton
The mother of the bride and brother of the bride headed into the church arm in arm.
Princess Eugenie
The princess walked in with her boyfriend Jack Brooksbank while donning a dark dress and colorful heels.
Donna Air
The British actress, who is dating Pippa's brother James Middleton, smiled as she arrived in a cream coat and coordinating fascinator.
Spencer Matthews
The groom's celebrity brother looked handsome in a dark suit jacket, slate pants, an orange tie and matching pocket square.
Roger Federer & Mirka Federer
The married tennis players looked chic as they headed in for the wedding.