Duchess Kate & Prince William: Member's Club Date Night!

Catherine, Duchess of Cambridge and her husband Prince William leave a private member’s only club on Wednesday night (October 10) in London, England.

The 30-year-old royals exited the club and walked apart from each other to keep a lower profile.

PHOTOS: Check out the latest pics of Duchess Kate

Also out with the couple was Duchess Kate‘s sister Pippa Middleton, and Princess Eugenie!

Prince William and Duchess Kate hosted a party at the private club for a pal, and left just around midnight, but Pippa stayed well into the night, according to E!.