Just last month, Shahid Kapoor celebrated his birthday in great style over a four-day weekend at Goa's sun-kissed Morjim beach. What's more, while most of his guests flew down for the big party much later, he left earlier, accompanied by a certain Nargis Fakhri. Ever since, there has been widespread speculation as to whether they are the newest love birds in Bollywood. Rumours apart, Mumbai Mirror can now tell you that it's official - Shahid and Nargis are indeed a couple; the latest to hit tinsel town. "Nargis is Shahid's latest love. Since the past few days, the two are spending a lot of quality time with each other. So far, they have avoided being seen together. Perhaps they wanted to keep the whole thing under wraps for some more time," revealed a source close to the twosome. When did the 'good friends' become more than just that? Said the source, "Nargis spent a lot of time with Shahid in Goa. They were attracted to each...