The 32-year-old actress and 28-year-old actor hit the red carpet to tons of fans wanting pictures and autographs!
Earlier that day, Sienna and Tom hit up the Chelsea vs. Arsenal soccer game in London – Chelsea won the match 2-0.
Effie Gray will hit theaters in the UK this coming week on October 10, with an expected US premiere date sometime this year.
FYI: Sienna is wearing a Roksanda dress.
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