Ryan Murphy's upcoming "American Love Story" will follow John F. Kennedy and Carolyn Bessette Kennedy, but the casting is causing mixed reactions.

Murphy is under an overall deal at Disney, and “American Love Story” adds to his long-running slate at FX in particular, which also includes “Feud,” “American Horror Story,” “American Crime Story,” “American Sports Story” and the upcoming body horror series “The Beauty.”

Paul Kelly and Sarah Pidgeon star as JFK Jr. and Carolyn Bessette in Murphy's upcoming limited series for FX. Ryan Murphy's Love Story is underway. The megaproducer revealed a first look at the stars of American Love Story,