JESS: I’m gonna sit here as long as I like, and I’m gonna do whatever I like, and if you don’t like it, then just ignore me and pay attention to your boyfriend.
DEAN: Sorry, she can’t. I’m not her boyfriend anymore.
This is the second time that Rory and Dean break up. We never got to see the first time, but this one is very public. Most fans feel Rory had this public humiliation coming to her, since Dean has been publicly humiliated a few times in their relationship because of Jess.
The Annotated Gilmore Girls 