That's Kareena Kapoor in Muskaanein Jhooti Hai, the first song promo from Reema Kagti's new film Talaash.
The film stars Aamir Khan, Kareena Kapoor and Rani Mukerji, and the song features all three.
But the night and the jazz number belongs to Kareena, who's at her seductive best in Muskaanein Jhooti Hai.
The perfect song to make us even more curious about this thriller!
Watch the song promo of Muskaanein Jhooti Hai: