Sienna Miller and Tom Hiddleston attended the London premiere of their new film, High-Rise, on Friday. Sienna and Tom kept their streak of cute moments going, sharing plenty of laughs with their costar, Elisabeth Moss, on the red carpet. Luke Evans was not in attendance, but he did appear alongside Sienna and Tom at the San Sebastian International Film Festival in Spain back in September. Read on to see more photos from the trio's night out, then check out Tom's crazy-good Robert De Niro impression.
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