Will Smithhas an ally in Vivica A. Fox. The 57-year-old actress tells Radar exclusively that she does not believe the Academy should strip him of his Best Actor Oscar. Radar caught up with Vivica at the Avalon in Hollywood for Thursday’s American Heart Association Red Dress Collection Concert, where we asked her about the slap heard around the world. Vivica and Will starred alongside each other in the 1996 box office hit, Independence Day, and she had some thoughts to share on his assault against Chris Rock during the live broadcast of the 94th annual Academy Awards last month. Will is facing …