A night owl Bandra birdie chirps to say that after Karan Johar's party at a Worli hotel, the actress headed to his home and spent the night there.

Her car was parked at his place till 6.30 am!

Considering that even the other constantly-in-denial B-Town couple Shahid Kapur and Priyanka Chopra have admitted to their relationship, it's time Kat and RK are out with it, too!