Wearing a see-through dress, Katie seemed oblivious to the fact that her butt was totally hanging out. Or maybe she just didn't give a toss? See the wardrobe malfunction in the video above.
Katie looked happy and relaxed on the Cleveland, Ohio set, spending time with six-year-old daughter Suri between takes. Mum and daughter even paid a visit to Starbucks and got matching takeaway cups cute!
In Miss Meadows, Katie plays "a well-mannered substitute teacher on a mission to rid her community of evil predators", The Wrap reports. Do these evil predators happen to jump on couches declaring their love to the world on Oprah? And does this mild-mannered teacher flash her bum to her students?
It sounds very Dangerous Minds/Freedom Writers/Dead Poets Society to us.
Katie steamed it up on another set recently in June she bared lots of skin filming a raunchy scene for the romantic drama Mania Days:
View slideshow: More celebrity wardrobe malfunctions
Author: Adam Bub. Approving Editor: Amy Nelmes. Source: Splash.