The 'Dancing With the Stars' pro didn't let a little thing like her knee totally giving out on her to keep her from delivering two amazing routines on Monday's semifinals episode.
ET spoke with Muniz and his pro partner, Witney Carson, following their performance on Monday, where Carson admitted Muniz has been her favorite partner to date!
The 'Malcolm in the Middle' star opened up about how his injuries and health issues have led to his memory problems during the 'DWTS' Most Memorable Year week.