The door of the luxury sedan had barely shut before noted journalist James Corden began interrogating Nick Jonas about his chequered dating past. 

You’d think the presence of Jonas’ bestie, Demi Lovato, would take a little of the heat off the singer, but no…in fact, she’s the one feeding Corden information about those ‘Miley, then Selena, then Miley again’ days. 

And this is even before they get into the whole ‘purity ring’ situation…