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The "We Are Never Ever Getting Back Together" hit-maker was reported to be hoping to avoid the "American Idol" winner at Sunday's Grammy Awards in Los Angeles amid claims Swift was not a fan of Underwood's attitude.
A source told Us Weekly magazine, "Taylor feels Carrie is always rude to her, so she steers clear of her."
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However, Underwood insists there is no friction "that I know of at least," and she reveals she loves Swift's latest single, saying, "I really like 'I Knew You Were Trouble.' It sounded a lot different for her. I liked the branching out, trying some different sounds."