Diesel and Brewster paid tribute to Walker, who died aged 40 two years ago in a car accident, during their acceptance speech for choice movie: action, reported Aceshowbiz.
"We make these movies with our hearts. We really are a family. My kids refer to Luda as 'Uncle Luda'," Diesel began his speech.
"We are a true, true, true family. You fans have been so incredible to us and have encouraged us and made us reach higher each time."
He said, "I can't stand here and be rewarded like this without talking about somebody very, very, very important to us. One of the best blessings in our lives is the fact that we have the opportunity to call Pablo our brother. Paul Walker is here in spirit with us."
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The crowd cheered. "And since this is a teen choice award, you beautiful teens, there is one teen in the audience that is a part of the family that kept us going. It's Paul Walker's family - his parents and his brothers - that kept us encouraged while we were making 'Furious 7', but there is one very, very special teen here, and her name is Meadow Walker."
Although she did not appear on stage, she gave him a nod. "We miss you, and we will always, always love you Paul," Michelle Rodriguez ended the speech.
Ludacris additionally announced that Walker received the posthumous Teen Choice Award for choice movie actor: action.
The 17th Annual Teen Choice Awards is held at the Galen Center in Los Angeles on Sunday, August 16.