Kate Middleton responds to baby no. 4 rumors in her own style.

The Princess of Wales quashes pregnancy rumors by participating in a spin race.

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

Kate shows off her fit figure and fitness in a high-neck white jumper and midi patterned skirt.

The viral video of the race silenced rumors about Kate's pregnancy.

Royal fans loved the video and shared compliments with the winner.

Kate previously sparked rumors about baby number four by placing her hands on her belly.

Kate's latest move seems to be an answer to the rumors about her pregnancy.

Kate and William are currently enjoying a trip to South Wales.