Simbu aka STR aka Little Superstar seems bonding big time with Dhanush these days. SIIMA Awards, which happened at Dubai, seems to have done wonders to their strained relationship. After settling their issues, Simbu has gone a step further and has thrown a big party on the eve of Dhanush's birthday.

Simbu, busy with his upcoming movies Vaalu, Vettai Mannan, Podaa Podi and Manmadhan 2, surprised everyone with this party. Close friends of Dhanush and Simbu were present at the bash.

Guests of the party has gone gaga over the evening; Premgi Amaren has tweeted, “Happy birthday to Dhanush thanks to STR for an amazing party.” Radhika Sarath Kumar, Premgi, Tamanna, Sarath Kumar, STR, Amala Paul, Anirudh Ravichander, Dhanush, Aishwarya Dhanush, Vetrimaaran, Parvathy, Santhanam graced the celebration and made the birthday more than worth for Dhanush.