Leonardo DiCaprio  and Michelle Williams  were together on Saturday for a press conference and premiere of their film Shutter Island  during the Berlin Film Festival . Michelle arrived in Germany  on Friday for their press duties, but Leo's been in Europe for the past week vacationing in Italy  and doing other promotion  with director Martin Scorsese . Bar Refaeli  was with Leo at the start of his trip, but she had to make a quick trip back to the US to launch the new Sports Illustrated swimsuit issue . She was able to make it back to Leo's side in time for Valentine's Day , which they celebrated with a special dinner out on the town.
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