Garrett Hedlund has described Kristen Stewart as phenomenal.
The pair have team up for new movie On The Road, which also stars Sam Riley and Kirsten Dunst, and the Tron stars admired her focus on her work.
Speaking to Access Hollywood the actor said: "Kristen's phenomenal. She's so focused, especially on this role... she's so amazing and the world is going to get to really see that in this one."
"It was wonderful. It was such an incredible rare journey that we all got to take, so I'm very proud of it.
"My anticipation is just as high as everybody else's about it.
On The Road is a big screen adaptation of the Jack Kerouac novel of the same name and is directed by Walter Salles.
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