Kareena to pay tribute to Sridevi

Kareena Kapoor has only agreed to do one tribute so far to her own sister, Karisma Kapoor, at an award function a couple of years ago.A little convincing by her best friend, Ekta Kapoor, however, has made her agree to perform to Sridevi's songs as a tribute to her at Balaji's Global Indian Film & TV Honours (GIFTH).Says a source close to Kareena, "She will be performing to a medley of Sridevi's