Veteran actress Betty White has taken aim at "ungrateful" stars including Lindsay Lohan and Charlie Sheen as she's convinced they "don't appreciate" their fame.

The Golden Girls star, 89, insists she has worked hard to carve out a long-running career in show business and she is horrified to see other performers who "party too much" and take their success for granted. And White has harsh words for celebrities who don't share her work ethic.

She tells Britain's Daily Mail, "They party too much, don't learn their lines, are unprofessional and they grumble about everything. I think they are terribly ungrateful. I cannot stand the people who get wonderful starts in show business, and who abuse it. Lindsay Lohan and Charlie Sheen, for example, although there are plenty of others, too. They are the most blessed people in the world and they don't appreciate it..."

"Respect your profession. There is an enormous population out there, who would sell their souls to do what you do. It's an amazing life, so make sure you appreciate every minute of it."

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