David Slijper/ InStyle
"I'm not pregnant," Katie said, refuting rumors that started after she was photographed with what some thought to be a baby bump. "I had bad posture and I was having a fat day."
Katie looks the farthest thing from fat, gracing the front of the popular magazine in a pink Lanvin dress and dainty Jennifer Meyer necklace.
The new issue of InStyle hits newsstands this Friday, July 15.