Karan Johar and Shraddha wished Varun on TwitterMumbai: Bollywood celebrities like Karan Johar, Arjun Kapoor and Shraddha Kapoor hope that Student of the Year actor Varun Dhawan, who has turned 28 today, evolves and has a rocking year ahead.Here's what they wrote on social networking sitesHappy birthday @Varun_dvn !! Evolve,search and aspire.... Make the year count!!! All my love...always!! pic.twitter.com/9tSSgtWWaH— Karan Johar (@karanjohar) April 24, 2015Happy birthday my friend @Varun_dvn - have a rocking year ahead— Riteish Deshmukh (@Riteishd) April 24, 2015My first director @Varun_dvn s birthday today...happy birthday Bombay ka Brahma Bull...being filmy since 1987...Arjun Kapoor (@arjunk26) April 23, 2015Happy bday to my friend with a heart of gold,who never forgets to spread love positivity everywhere! @Varun_dvnpic.twitter.com/7ZPosTZlSy ShraddhaVINNIEKapoor (@ShraddhaKapoor) April 24, 2015PromotedListen to the latest songs, only on JioSaavn.com@varundvn birthday to a guy who is full of life, super fun, kind, loving, compassionate & just a good guy. Even though we don't chat as much. You left such a positive imprint on me that I will always keep u in my mind n heart & I will always cheer u on no matter where my life takes me! I wish u the happiest birthday today & of course many many more to come. Lots of love to you ( Bro! ) Xx Nargu.A photo posted by N (@nargilove) on Apr 23, 2015 at 11:01pm PDTA very Happy Birthday to the "Hero" Seenu aka @Varun_dvn Tu Sach mein ABCD hai! matlabAmazing Bindaas Cool Dude!" Have a super year buddy!Milap Zaveri (@zmilap) April 23, 2015Also ReadShraddha Kapoor's Hillside Nature Escape Is How You Should Beat The Summer Heat TooInside Pics From Parents-To-Be Varun Dhawan And Natasha Dalal's Baby Shower"Who Is This Teenager," Samantha Ruth Prabhu Asked Varun Dhawan. His Reply