Renée Zellweger is back in Bridget Jones's Baby, the third film of the series in which Bridget the titular heroine is, yes, pregnant. Only it’s not exactly clear by whom: ex British beau Mark Darcy (Colin Firth) or dashing yank Jack (Patrick Dempsey)? We spoke to Dempsey, Zellweger and director Sharon Maguire about rebooting the beloved franchise.