At an event here Thursday, the actress was asked to comment on the latest rumours.
She said: "This has come in some newspaper, but there is no such thing. If there is something as such, I will let you know."
Katrina, who was earlier dating Salman, has been guarded about her personal life.
"As far as I am concerned, I have always been the same...I don't speak about my personal life. Now it (any rumour) doesn't bother me. With time, you get used to it...such small things don't affect," she added.
Meanwhile, Katrina us busy working with her rumoured current beau Ranbir in "Jagga Jasoos".
Having co-starred with him in movies like "Ajab Prem Ki Ghazab Kahani" and "Raajneeti", the actress said: "The films that we have done (together) have been extremely special films...not just successful. It's exciting for me as he is a great actor."