Watch Red, White & Royal Blue for Free: How to Stream the Movie Online at 123Movies. . After an altercation between Alex, the president's son, and Britain's Prince Henry at a royal event becomes tabloid fodder, their long-running feud now threatens to drive a wedge in U.S./British relations. When the rivals are forced into a staged truce, their icy relationship begins to thaw and the friction between them sparks something deeper than they ever expected.