Duchess of Cambridge Kate Middleton flaunted her trim post-baby body in a pair of skinny jeans as she bonds with Prince George six weeks after giving birth to Princess Charlotte.

The 33-year-old royalty does not appear like has already two kids, a prince and princess, when she stepped out from Kensington Palace to attend the Festival of Polo at the Beaufort Polo Club in Gloucestershire.

Kate Middleton's post-baby body looked enviably slim as she paired the leg-hugging trousers with a ME+EM striped top, The Daily Mail said in a report.

The mother-of-two also kept her ensemble low-key with her favorite Sebago shoes as she ran after her first born, 23-month-old Prince George.

Meanwhile, Prince George, who's already becoming a fashion icon with his cute and classic ensembles, wore with a nice Olivier cardigan and black Crocs.

The royal prince also sported blue shorts to pair his top.

The almost two-year old Prince George was also seen running up the hill as he looked like he was fascinated with polo mallets.

The prince also seemed to be excited to join the action at the match when he even tried to kick one of the balls as the game starts.

The Duchess of Cambridge, meanwhile, still looked calm and composed even while chasing her son, who is set to celebrate his second birthday next month.

Kate Middleton and Prince George were among the royal spectators at the charity match were Prince William also participated in.

At one point, Kate Middleton pointed her husband Prince William as the royal son gazed at his father.

Before this outing, Kate Middleton first revealed her post-baby body during her first public appearance after giving birth to Princess Charlotte in May, The Hollywood Life said in a report.

At that time, the Duchess of Cambridge was spotted leaving the hospital in a Catherine Walker baby blue coatdress.