Mumbai: Actor-producer John Abraham has heaped praise on his "Force 2" co-star Sonakshi Sinha by calling her the best action hero. The actor, who has impressed many with his action sequences in films like "Dishoom", "Force" and "Dhoom", couldn't stop appreciating Sonakshi while promoting her forthcoming film "Akira". Sonakshi will be seen in a full-length action role in the thriller. In a video shared by John on his Twitter account on Thursday, he said: "'Akira' is releasing on September 2. Kick everybody's a** because you are the best action hero and guys I have seen 'Akira'. It's fantastic." He also wished her luck for the A.R. Murugadoss directorial and said: "I know it will rock!" Sonakshi thanked the actor by saying: "Thank you John! The force was with me... in this one too? Boom." The film sees Sonakshi as Akira Sharma, a girl who comes to Mumbai from Jodhpur, where she gets into a tiff with goons at a college in which she gets enrolled.