Trust me, it really wasn't. If it was a slight she wouldn't have offered the use of her wardrobe. And to be fair, Joslyn's look isn't as polished as the others, as proven by the fact the she went out in almost the same barely there bikini look after being read for it the week before.
Being honest to someone and offering the use of your own wardrobe if you need help is hardly being a bitch.
If she'd made the comment "you look like shit, and need to lift your game" and then offered no help, I'd agree that Courtney was being a bitch.
Calling somone out in front of the entire group is hardly gracious no matter what help may have been offered earlier.

























