It's been over ten years since we last saw Bridget Jones! But after a decade has passed, it doesn't appear she's any worse for wear. Today, Working Title Films has released the first trailer for the new sequel Bridget Jones's Baby, which reunites stars Renée Zellweger and Colin Firth. This sneak peek sets out to ask one question, 'So, who's the baby daddy?'

Oscar winners Renée Zellweger and Colin Firth are joined by Patrick Dempsey for the next chapter of the world's favorite singleton in Bridget Jones's Baby. Directed by Sharon Maguire (Bridget Jones's Diary), the new film in the beloved comedy series based on creator Helen Fielding's heroine finds Bridget unexpectedly expecting. And it promises to be the funniest adventure for Bridget yet!

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After breaking up with Mark Darcy (Colin Firth), Bridget Jones's (Renée Zellweger) "happily ever after" hasn't quite gone according to plan. Fortysomething and single again, she decides to focus on her job as top news producer and surround herself with old friends and new. For once, Bridget has everything completely under control. What could possibly go wrong?

Then her love life takes a turn and Bridget meets a dashing American named Jack (Patrick Dempsey). The suitor who is everything Mr. Darcy is not. In an unlikely twist she finds herself pregnant, but with one hitch...She can only be fifty percent sure of the identity of her baby's father. And this isn't good for anyone involved! Bridget, you little hussy!

The much-anticipated third installment of the Bridget Jones's franchise welcomes fellow Academy Award winner Emma Thompson to the cast. Longtime collaborators Tim Bevan and Eric Fellner of Working Title Films produce alongside Debra Hayward. The threequel is set to open nationwide in the U.S. on September 16, 2016. So, who's baby is it? Check out this first look footage and see if you can discover the answer yourself!