WLLR's Who The Heck Is That?

In 2008, I released a Top 10 hit which she co-wrote with successful country star and equally successful pop star Taylor Swift. Who the heck is that?

Ans: Kellie Pickler. (The song was called "Best Days of Your Life.")

Kellie Pickler arrives at Hallmark Channel And Hallmark Movies & Mysteries Summer 2019 TCA Press Tour Event in Beverly Hills, California. (Photo by Jerod Harris/Getty Images)

Photo: Getty Images

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