Nush under the influence of drink went a little further than she probably can remember.
When sober she made it quite clear that she and Scot were no where near being an item. NO. She has not led him on. Scot is a grown man and new the score with regard to her boyfriend.
In the BB environment you can't help but play the game and flirt a little. Why are some people so quick to put the knife into Nush as out of all the housemates she and Scott are the least offensive.