Their romance is said to have blossomed as Perry comforted him over his split with Twilight co-star Kristen Stewart, who cheated on him with director Rupert Sanders, reports thesun.co.uk. A source said: "They are both good friends but have been hanging out more and more recently. Rob poured out his heart to Katy about Kristen cheating on him. She proved to be a really good shoulder to cry on."
"He stayed at her house in LA after they went away to Santa Barbara together for few days over American Memorial Day weekend late last month. Their friends say they have now fallen for each other," the source added.
The couple are now planning a romantic Caribbean summer getaway. The source said: "They are talking about going to the Bahamas in the next few weeks to visit some friends of Katy's." The source added, "They are both hopeless romantics, so it wouldn't be a surprise if things developed quickly." (IANS)