Katy Perry's 'mom-shaming' joke at 'American Idol' sparks outrage.

A TikTok video of a young mom responding to a "hurtful" joke made by Katy Perry during her "American Idol" audition has gone viral. In the video, Sara Beth Liebe explains that Perry made a joke about her having three children, which was embarrassing and hurtful. TikTokers are outraged on her behalf, with many saying they have lost respect for the "Firework" singer. Sara Beth calls for women to support and uplift each other, and says that mom-shaming is "super lame."