After her break-up with long-time beau John Abraham, Bipasha Basu is now being linked to her "Singularity" co-star Josh Hartnett. But the dusky beauty is unperturbed and believes link-up rumours are a part of her profession."Link-up rumours don't bother me any more. At the end of the day, whatever two people have, it is for them to know. The world speculates and let them do that," Biphasha told IANS over phone from Murmansk, Russia.
