After newlyweds Prince William and Princess Kate (nee Middleton ... Majesty alongside Pippa, whose gorgeous white Alexander McQueen bridesmaid dress could be seen as she bent her knees.

She wasn't the matron of honor ... Six years ago, Pippa Middleton famously held her sister Kate‘s train. Today, she paid back the favor. In an echo of the 2011 royal wedding, when Pippa ensured ...

Pippa Middleton is the middle child of Carole and Michael Middleton and the younger sister of the Duchess of Cambridge. She was Kate's maid of honour on her wedding day to Prince William in 2011.

Watch the video below… WATCH: Princess Kate calms an over-excited Prince George and Prince Charlotte at Pippa Middleton’s wedding The Princess' parenting skills were on full display as she led ...

All eyes were on Prince George and Princess Charlotte at their aunt Pippa Middleton's wedding! Erin Hill is the Senior Editor, Royals at PEOPLE. She ... dress. No doubt mom Kate passed along ...