The 'Baar Baar Dekho' star recently shared a video of herself with Ranbir where the two are seen syncing their dance steps.
She also asked her fans to note the humility of the person on the left (Katrina) and the win expression of the person on the right (Ranbir).
The 33-year-old captioned the post as "The competition is on. Take your pick. Note the humility of the person on the left and the triumphant expression of the person on the right .... #JustSaying #JaggaAndJughead"
Their much-awaited flick is all set to hit the big screens on July 14.