Click here to watch the video – Produced by actor Ken Watanabe, the video features an all-star collection of cameos including John Travolta, Cameron Diaz, Leonardo DiCaprio, Ellen DeGeneres, Matt Damon, Clint Eastwood and others set to Jake Shimabukuro’s cover of “Amazing Grace.”

In the video, the celebs reminded those affected by the recent earthquake and tsunami in Japan that they are not forgotten, by holding up handmade messages of encouragement in support of Unite For Japan.