Mumbai, Jan 09 (ANI): Much awaited trailer of Ranveer-Alia starrer 'Gully Boy' was launched today. Superstars Ranveer Singh and Alia Bhatt launched the trailer in Mumbai. The film is presented by sister-bother duo Zoya and Farhan Akhtar. The movie is based on street rap in slums of Mumbai. "Gully Boy was meant for me and I am the only one who could do it", said Ranveer Singh. 'Gully Boy' will hit the silver screens of February 14.