Which stars in the original entertainment circle seem to have nothing to do with, but are real friends or classmates?

What stars in the entertainment industry seem to have no connection, but are real friends or classmates?

There are some stars in the entertainment industry, some of whom are more than a few years old, some don't feel like they are in the same era, and some are around two different places, but they never thought they were classmates.

Yang Mi and Zhang Youfei

is one of the most popular female stars in the film and television circles and the \