Pedro Pascal's Transgender Sister Upstages Him at 'Gladiator II' Premiere

Pedro Pascal may be the star of the new 'Gladiator' flick, but all eyes were on his transgender sister, Lux, at the London premiere of the action movie. Check it out ... Pedro posed for photographers in an all-black getup for a screening at London's Leicester Square -- but the "Gladiator II" actor paled in comparison to his sister, who was by his side on the red carpet. While the evening wasn't about Lux, she…