Prince George's grandmother stepped out in an elegant mint blazer and matching skirt and accessorised her outfit with a pale pink snakeskin-effect handbag and nude court shoes.
Carole and Michael took their places in the Royal Box alongside broadcaster Sir Terry Wogan and his wife Helen Joyce, House of Commons Speaker John Bercow and former England rugby star Matt Dawson.
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Carole and Michael Middleton with Sir Terry Wogan
The couple, who are parents to the Duchess of Cambridge, née Kate Middleton, Pippa and James Middleton, smiled and applauded as they watched Novak Djokovic take on Gilles Simon on Centre Court.
Carole was seated next to rugby player and A Question of Sport team captain Matt Dawson, who had brought his mother along to see the match.
Excited to have treated his mum to courtside seats, Matt posted a selfie of the pair with the caption "I'm auditioning for son of the year!"
Carole and Michael's day out at Wimbledon came the day after James and Pippa were spotted enjoying the tennis along with Downton Abbey actress Michelle Dockery.
One Direction's Liam Payne and Niall Horan take a tour break at Wimbledon
Also in the crowd were Crown Prince Frederik and Princess Mary of Denmark, Niall Horan, Liam Payne, Denise Lewis and Steve Redgrave.