Kate Middleton responds to baby number four rumors in her own unique style.

The Princess of Wales debunks pregnancy rumors by taking part in a spin race.

Even while wearing heels, Kate defeats Prince William in the intense 45-second bike race.

In a high-neck white jumper and midi patterned skirt, Kate flaunts her fit figure and fitness.

The race's viral video put an end to rumours about Kate's pregnancy.

Royal fans praised the video and congratulated the winner.

Kate previously sparked speculation about a fourth child by placing her hands on her tummy.

Kate's latest move appears to be in response to pregnancy rumours.

Kate and William are currently on vacation in South Wales.