Actor Arjun Kapoor has penned an emotional note for his step-sister Janhvi Kapoor, who is gearing up for the trailer launch of her maiden film "Dhadak" on Monday.

"Tomorrow you will be part of the audience forever Janhvi Kapoor cause your trailer comes out... Firstly, sorry I'm not there in Mumbai but I'm by your side, don't worry," Arjun tweeted on Sunday night.

Tomorrow you will be part of the audience forever #JanhviKapoor cause your trailer comes out... Firstly, sorry I'm not there in Mumbai but I'm by your side, don't worry. (1/3) pic.twitter.com/a1Go2fhZSG

— Arjun Kapoor (@arjunk26) June 10, 2018

"I just wanted you to know this profession is amazing if you work hard, be honest, learn to take the accolades with the brickbats, respect opinions, yet follow your own path and instinct. It's not gonna be easy, but I know you are ready for all the madness that will ensue," he added.

I just wanted you to know this profession is amazing if you work hard, be honest, learn to take the accolades with the brickbats, respect opinions, yet follow your own path & instinct. It's not gonna be easy but I know you are ready for all the madness that will ensue. (2/3)

— Arjun Kapoor (@arjunk26) June 10, 2018

Arjun said that director Shashank Khaitan has presented Janhvi and Ishaan Khatter as the "modern Romeo and Juliet" in 'Dhadak'.

All the best for #Dhadak! I'm certain that my friends @ShashankKhaitan & @karanjohar have presented you & #IshaanKhatter as the modern Romeo & Juliet with elan !!! 3/3

— Arjun Kapoor (@arjunk26) June 10, 2018

Arjun is step-brother of Janhvi and her sister Khushi, daughters of his father Boney Kapoor with late actress Sridevi.