is lauren confirmed not to be coming back for a sixth season?

Yes, this is supposed to be the last season. Lauren сказал(-а) that she's not doing it anymore. So, everyone will have to do with five seasons.

Yes that was her last season there are suposed to be like 2-4 еще new ppl and Audrina might not be in it because of her movie/show and heidi might not also because of new shows(not told yet)