8 highly successful celebrities share their most valuable piece of career advice
Working hard and setting goals are general rules to help achieve whatever you're seeking in your career and life.
Whether you're trying to make it in Hollywood, A-list figures in entertainment have faced a brutal industry and the pressure of the limelight to get to the top. And some have shared good tips about success that can be applied to any industry.
Here are eight highly successful celebrities on their essential career advice: