A strange sighting of the week was Ranbir Kapoor and hold your breath - Bipasha Basu. They both were spotted together without their respective partners Deepika Padukone and John Abraham. The venue was Saif Ali Khan's birthday party hosted by Kareena Kapoor. The lead pair of Bachna Ae Haseeno drove down together for Saif's party, raising many eyebrows. "We were pleasantly surprised when they came together for the party," says an actor