Linda is wearing a Banned Atlanta Overalls in L.   

She is a size 14 in most UK and Australian brands and 163 cm tall (without heels)

Compared to other styles this one is a typical fit but has no stretch,  wear your usual size or size up for a loose fit.

This item can all be found on the Kitty Deluxe Website here: 

Banned Alternative Atlanta Red Tartan Dungaree Overalls

Watch the video