Actor Ranveer Singh is all praise for his "Gully Boy" co-star Alia Bhatt.On working with Alia in the upcoming film, Ranveer told IANS in an e-mail interview from Mumbai: "Before working on 39Gully Boy39, I did some ads with Alia and they were really fun. She has lovely energy about her. But when I worked with her on 39Gully Boy39, I realised what a powerhouse of a talent she is." Ranveer, who has delivered blockbusters like "Goliyon Ki Raasleela Ram-Leela", "Bajirao Mastani" and "Padmaavat", said Alia is "immensely talented, expressive, full of emotion, very intelligent" and that her emotional quotient is "very high.""She has evolved as a person far beyond her years. She is on her way to greatness. She was really brilliant in 39Raazi39. I have been an admirer of her work and craft ever since 39Highway39," added the actor, who plays a street rapper in the film.Also featuring actor Kalki Koechlin, Zoya Akhtar-directed "Gully Boy" is a film about Indian street rappers and their struggles.Ranveer proudly says Alia "could very well be the best part of 39Gully Boy39"."She plays the character, that on the script level, is my favourite character. She has really made it her own, and I39m very happy for her," he added. "Gully Boy" is scheduled to release on February 14.