Rajkummar Rao, who will next be seen in "Queen" with Kangana Ranaut, believes that the National Award winning actress has put her best foot forward in the film.
"It was great working with Kangana. She is really grounded and she is a really sweet person. In this film, she has done a great job," Rajkummar said in an interview here Thursday.
"I can say that this film is packed with Kangana's best performance till date," he added.
Set to release March 7, "Queen" is directed by Vikas Bahl and also stars Lisa Haydon.