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The Jonas Brothers are back together.
Their latest single "Sucker" was released on 1 March and has peaked at number 28 on the US Mainstream Billboard charts.
During the Carpool, James Corden interrogates the brothers with a lie detector and asks questions that they would absolutely, under different circumstances, not answer truthfully.
Questions like, "who broke up the band?", "was Nick's wedding way overdone?" and "are your brothers wives annoying?"
The brothers also sing a few of their favourite hits from the past and talk about Disney and their purity rings.
