... This is a beautiful five star / five-star hotel....
I know both forms are being used, (but I've never seen people write "ice cream".  but which is more correct?
And is there any rules for using hypen??
Thanks in advance!!
I'll hyphenate it like "five-star" to lessen confusion such as below described. Compare two sentences. (1) There are five star hotels. (2) There are five-star hotels.Someone possibly takes (1) as saying "There are 5 Star Hotels"paco