Tamannaah, the fastest rising star of Kollywood is on the verge of superstardom, as she is going to be Ilayathalapathy Vijay’s heroine in his prestigious 50th film! Tammu’s rise has been phenomenal as she has proved to be an actress of substance and at the box-office she is rocking after two back to back super hits, Padikkathavan and Ayan. She will be formally signing on the dotted line later in the week for a whopping amount. To be cast opposite Vijay is the crowning glory for her, and a step nearer to the number one slot. The Golden Jubilee untitled film of Vijay is produced by Sangli Murugan who produced the star’s first super hit Kathaliku Mariyadai. The writer and director of the film is being kept a closely guarded secret.