Why Kareena fond off Amir Khan?

Bebo has time and again shown her fondness for beau Saif Ali Khan. However, if we go by the recent observation, it seems Kareena shares this fondness for someone else too.Yes, on an occasion to unveil the promo of romantic song 'Zoobie Doobie' from her forthcoming film 3 Idiots; Kareena was seen sporting a T-shirt with macho man and Hollywood actor Sylvester Stallone’s picture printed across