Kate’s sister, Pippa Middleton, rounded out the family group.
Delighted, she waved back before settling into her seat.
This may have been part of the reason behind Kate’s happiness but not for the reason you think.

Regardless, Kate appeared “genuinely happy,” Fraud-Busting Body Language ExpertTraci Brown, CSPexclusively told The List.
“That’s a real smile.
She’s smiling with her eyes not just her mouth that’s how we know.

So this is a great moment for her.”
Mom Carole Middleton moved into the Wales residence to provide the care only a mom can give.
William cut back his official engagements to better maintain his children’s routines and pamper his ailing wife.
Even at Trooping the Colour, the princess was surrounded by family all the way.