For the past week or so, people on Twitter have been making some official decisions: Which hot topics and trends are "In" or "Out?"
While most of these lists are very specific to the person posting them, there seemed to be some commonalities with what people thought were on trend.
We've rounded up some of the most popular topics so that you can decide for yourself:
Are these people, trends, and topics “In” or “Out”?
What do you think? Tell us in the comments below!