Another tragic end of a Hollywood star stunned the world when news of Paul Walker's car crash accident flooded the news sending lots of grieving tributes to his friends and family. Walker's "Fast and the Furious" family leads in paying tributes to the actor who made his presence in this world worthwhile by reaching out to the victims of natural calamities and even volunteering his time and energy in raising funds for Haiyan's victims in the Philippines.

Paul Walker is not just a pretty face, the 40-year-old actor is known for kindness towards his co-workers and everybody could attest how down to earth and humble this guy is. Not taken by Hollywood's binding light, Walker lived a simple life and managed to stay out of the limelight.

Known as Brian O'Connor in "The Fast and the Furious" series, Walker's love interest Jordana Brewster joined her co-stars in the movie to pay tribute to the star's sudden death. The 33-year-old actress tweeted on Sunday: "Paul was pure light. I cannot believe he is gone."

Vin Diesel was still in shock and could not believe that his F&F brother is gone since the two are currently filming the seventh sequel of the movie. Diesel led the tribute to his long-time friend by posting a treasured photo with Paul in Instagram and wrote: 'Brother I will miss you very much. I am absolutely speechless. Heaven has gained a new Angel. Rest in Peace."

Walker's co-stars are reportedly "distraught" about the news that they going to put on hold the shooting of the film. A source of TMZ says: 'No one wants to even think about the movie. Period.'

The source said that F&F 7 cast and crew are scheduled to fly to Atlanta this weekend to resume shooting on Tuesday, but due Walker's tragic accident they won't be returning to the set anytime soon.

Here are some of Walker's co-stars who are sending their love and condolences.

Ryan Phillippe, Walker's co-star in Flags of Our Father said: 'Paul was a good dude. Conscientious & not caught up in Hollywood. He knew there was more to life & lived like it. Nice to know you brotha.'

Gabrielle Union, who appeared in the 1999's She's All That with Walker said: "This is awful. Awful. #RIPPaulWalker pls pray for his family, friends & fans. We've lost a great, laid back, sweet, cool man & father."

Co-star in the movie "Takers" Michael Ealy wrote: "My heart is crushed by the news that my friend Paul Walker passed away today. Prayers and light to his daughter and family right now."

Joshua Jackson, Walker's co-stars in the movie "Skulls" couldn't believe his tragic end and said: "Damn. Hard to imagine someone so full of life taken so soon. My thoughts go out to your family. RIP Pauly Walker."

Another "Skull" co-star Hill Harper wrote: "When Paul & I shot The Skulls, had a great time. He was one of the nicest, generous of spirit actors I've ever worked with. RIP Paul Walker."