"There is a phrase in English 'Mind your own business'," Ranbir told reporters at an event here.
Recently, the rumoured lovers made headlines when their pictures while holidaying together in Spain were published.
There are reports that Ranbir and Katrina will go on a holiday again, but he chose to keep mum on this too when asked. "Jab pictures chhap jayenge, tab tum log hi bata dena yaar. What should I say? (When pictures get published, you only inform)..."
The actor is currently busy promoting his next film "Besharam".