Watch out Pippa Middleton, your sister Kate's derriére is looking almost as good as yours!

Kate Middleton, the Duchess of Cambridge, poured her slender frame into a pair of form fitting jeans, showing off her bangin' booty while watching her hubby Prince William play soccer.

PHOTOS: Kate Middleton Shows Off Her Perfect Posterior

Kate Middleton rocked a red coat while on an official royal visit to Copenhagen on Wednesday and RadarOnline.com has the photos of her radiant new look.

The Duchess of Cambridge wore a form fitting red LK Bennett coat with a red leather belt cinched at her waist showing off her incredibly slim figure while with her husband Prince William and the Crown Prince Frederik and Princess Mary of Denmark for their first joint humanitarian mission.

PHOTOS:  Kate Middleton Is A Lady In Red On Royal UNICEF Visit

The Duchess is dazzling!

Prince William and his glowing bride Kate Middleton attended a charity gala Thursday night and RadarOnline.com has the photos of the royal couple looking stunning at their first black tie event since their wedding.

PHOTOS: Kate And Wills Dazzle At Gala

Looking gorgeous in a Jenny Packham rose gown with Swarovski crystals, the new Duchess of Cambridge wore her long brown hair down around her shoulders with a slight curl.