Miranda Lambert is refusing to let her feud with Chris Brown die down - she's taken aim at the R&B singer in a new magazine interview.

The country star expressed outrage at Brown's performances at February's Grammy Awards on the third anniversary of his infamous fight with ex-girlfriend Rihanna, prompting the Kiss Kiss hit-maker to hit back in his own message on Twitter.com.

Lambert went on to slam Brown during a concert in Massachusetts, and before singing her track Gunpowder and Lead, about a woman preparing to kill her abusive husband, she pulled out a poster with handwritten letters reading, "Take Notes Chris Brown."

And The House That Built Me singer has once more taken aim at the 23 year old in the new issue of W magazine.

She says, "I may look small and blonde, but I cannot tolerate men who beat up on women. It is never OK."

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