Kate Middleton's parents show up to Wimbledon without her amid cancer battle

If you scanned the Wimbledon crowd, you might have caught a glimpse of a woman strikingly similar to Kate Middleton, the tournament's most anticipated potential attendee.

On day four, the Princess of Wales' mother and father, Carole and Michael Middleton, were spotted in the crowd, enjoying the grass court matches.

Carole wore a floral dress beneath a fitted white blazer, a nice contrast to Michael's blue suit and yellow tie. They watched attentively from their box. 

KATE MIDDLETON...