Pippa Middleton rides her bike while flashing her engagement ring

Pippa Middleton has had a whirlwind few weeks, so it's no surprise that Duchess Kate's sister couldn't stop smiling during a London bike ride on Tuesday afternoon (July 26). Hedge fund manager James Matthews recently popped the question with a beautiful diamond ring and the two are happily engaged.

Despite the estimated $328,000 price tag, 32-year-old Pippa wore the rock with ease as she cycled through traffic in the city. The columnist looked as chic as ever in an outfit that combined clashing animal prints.

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Pippa Middleton riding a city commuting bicycle
Pippa Middleton was London's chicest cyclist on Tuesday afternoon

Pippa kept cool in a crocodile-print blouse, which she teamed with white skinny jeans and a pair of python-print shoes. She topped off the look with a faux crocodile skin helmet and black sunglasses. The gorgeous look was certainly eye-catching – but Pippa's envy-inducing diamond stole the show.

She's been spotted out and about a few times since getting engaged, each time looking happier than ever, and Pippa has already confirmed she and James – brother of Made in Chelsea's Spencer – plan to marry next year.

Pippa Middleton riding a city commuting bicycle
Newly engaged Pippa's diamond ring was proudly on display

And, if the traditional proposal is anything to go by, we're certainly in for a treat! A source told the Daily Mail: "James is a traditionalist and very much wanted to do things properly. That meant getting consent from his future father-in-law.

"Mike and Carole are very happy. They like James and they are sure he will make Pippa very happy."

Kate and Prince William also shared their excitement over Pippa and James' news, and a spokesperson for Kensington Palace said the royal couple are "absolutely delighted".

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