Kelly, a graduate of Albany Law School with an undergraduate degree in political science from Syracuse University, is an attorney who practiced as a litigator with Jones Day in New York City, Chicago and Washington, D.C. before leaving to pursue journalism. She joined Fox News in 2004.
Kelly contributed legal segments for Special Report with Brit Hume and hosted her own legal segment, "Kelly's Court," during Weekend Live. She frequently appears on the The O'Reilly Factor and occasionally fills in for Greta van Susteren on On the Record. Most of her reporting focused on legal or political matters. She also occasionally anchored programs as a substitute anchor during weekends.