Attention Brett Musburger: AJ McCarron's attention-stealing girlfriend, Katherine Webb, is back in the spotlight. The model, according to her Twitter account, is starring in the new commercial for Carl's Jr.'s -- the fast food joint that has used Kate Upton in its commercials in the past.

A look at the new ad below:


And, of course, what she's been up to at New York Fashion Week this week:


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