Rivera's brother, Raiders rookie Mychal Rivera, scored his first career touchdown during the game, prompting the 26-year-old actress to run out of her luxury box and shout joyous expletives toward the field.
Here's the GIF (courtesy of Business Insider):
And here's her brother's similarly cheerful reaction:
Despite the Raiders initial 14-0 lead, the Redskins came back to win 24-14.
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