Princess Charlotte and Prince George are there too.
The Duchess skipped the Royal Box for a seat in an outer court.
"Sussex Royal" left a sweet comment for Prince Louis' birthday.
Her adorable answer was captured on camera.
Is Prince Louis about to get a younger sibling?
The dad jokes are back.
Proving that non-royals can go to the Lindo Wing, too.
She was seen arriving to the hospital, and her husband was carrying overnight bags.
So this is what movie night at Kensington Palace looks like.
They're not regular parents, they're cool parents.
Her baby bump is so gorgeous.
The couple hardly ever holds hands in public, but this was a great exception.
The maternity suite has finished preparations for baby #3.
Is it common for the royal family to stop by the supermarket like the rest of us?
Most people opted to wear black in support of Time's Up.
Kate Middleton is due to give birth in April.
The four-year-old is already developing a passion for sport.
Did you know she went on a gap year in Chile?
Looking like a princess has never been more affordable.