"Its time to know me aka #Khoobsurat Mili and my prince charming better.. Less than 24 hours to go for the trailer launch!! Hoot! Hoot," Sonam tweeted. "The family of royals and the family of misfits!!!" she wrote in another tweet.
The teaser showed the actress kissing her co-star Fawad Khan.
Directed by Shashank Ghosh, the film also stars Ratna Pathak, Kirron Kher, Aamir Raza Hussein, Simran Jehani and Kaizad Kotwal. The film is produced by Rhea Kapoor and portrays Sonam as the royal misfit.
'Khoobsurat' is slated to release on September 19 this year.