The stars have turned out in force to see Andy Murray play against Roger Federer in the Wimbeldon Men's Final.
But, while the tennis is particularly interesting this time, we're on Wimbledon fashion watch - and Kate looks immaculate as usual in a white knee-length dress and matching jacket, while Pippa is pretty in a blue bird-print peplum frock. Very 40s, very fab.
Both the sisters are sporting their Bobbi Brown eyebrows, heavily-lined eyes, and bouncy brunette locks.
Who do you think wins Wimbeldon - in the fashion stakes?
See all the stars - including more pics of Kate and Pippa - who've enjoyed Wimbledon this year:
See more Duchess Kate style:
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