Ohhhh Katie, whatever happened to your stylist? A plaid flannel shirt in the middle of summer in NYC? Just kiddin’! Katie Holmes quenches her thirst with a Diet Coke while filming a short video on the sidewalk in New York City’s Tribeca district. She wore a pair of skinny jeans, and said plaid shirt, paired with black flat motorcycle boots. This is very likely to be her attire for the video!