Miranda Lambert Fires Back at Chris Brown

The war of words between singers Miranda Lambert and Chris Brown is heating up.

Lambert held up a homemade sign at her concert at the University of Massachusetts that read: "Take Notes Chris Brown", then lashed out at him from the stage.

Lambert said, "I just have to speak my mind. Because where I come from, beating up on a woman is never okay."

As the crowd cheered, she added, "So that's why my daddy taught me early on in life how to use a shotgun."

Now, Brown is firing back, tweeting: "Using my name to get publicity? I love it! Perform your heart out!"

The feud started after Brown was welcomed back to the Grammys® three years after his infamous assault on Rihanna and Lambert tweeted: "I don't get it, he beat up on a girl."

Brown launched a profanity-laden tweet at Lambert: "HATE ALL U WANT BECUZ I GOT A GRAMMY Now! That's the ultimate [blank] OFF!"

To which Lambert has just tweeted back: "Oh and one more thing for all who are asking...I have a Grammy too."