Their comeback album, "Happiness Begins," also topped the Billboard ... their reunion with Disney is set to be a joyous celebration of family, music, and the magic of Christmas.

The Jonas Brothers are returning to their Disney roots this holiday season to produce and star in a new Christmas comedy ... which debuted atop the Billboard Hot 100. The corresponding album ...

The Jonas Brothers are reuniting with Disney to produce and star in a Christmas comedy movie ... with "Sucker," which debuted at No. 1 on the Billboard Hot 100 and became the brothers' first ...