MACBETH - When did Lady Macbeth find out about the witches prophecies?

Question

MACBETH - When did Lady Macbeth find out about the witches prophecies?

Answer 1

When Macbeth came home and told her about what the witches had told him; it's pretty much in the beginning of the play. It's been years since i read it so i can't give specific details but i remember she finds out early on because she spends the rest of the play determined to get Macbeth crowned king and so on.

Answer 2

She found out before Macbeth arrived to their castle for he sent her a letter with a messenger stating what had happend to him and that him and King duncan were on their way.