Many times, the path to fame and glory is an arduous one. While most celebrities may be living the high life now, for many it was a sinuous path to get there, and they learned a lot along the way.
Armed with buckets of knowledge and experience, many famous people decided to share their wisdom with their peers. From personal to professional advice, these stars passed on many lessons to other celebrities.
Click through the gallery and discover some of the best advice celebrities gave each other.