Hint: It has to do with Jon Snow.
The Last Christmas star said she wants to have "a truthful human-to-human thing" with fans.
RiRi's fashion brand Fenty was also a big winner on the night.
Forget The Negative Reviews, Last Christmas Is A Festive Treat With Very Real Modern-Day Themes At Its Heart
Emma Thompson's festive film steps away from the perfection of Christmas, and tackles many of the deep-rooted issues our society faces today.
The star said she'd felt pressurised into stripping off on camera but had learned to be more "savvy".
Paul Feig has spoken out after the film was branded "brutally unfunny" by film critics.
As Critics Tear Into Last Christmas, Emilia Clarke Explains How New Film Has An 'Anti-Brexit' Message
Emma Thompson wrote the new romantic comedy, which features the music of George Michael.
The movie stars Emilia Clarke and Henry Golding, and features new music from the late George Michael – but critics are not impressed.
The Daenerys Targaryen actress spilled the (coffee) beans on Jimmy Fallon's US chat show.
Emilia shared a photo of the scene on Instagram, joking: "We hardly put up a fight."