With some fans having queued for two days for a chance to get a quick pic of R-Patz, the West London shopping centre was crammed full of people with posters, banners and various Twilight memorabillia - coupled with a heavy dose of hysteria.
But it was his co-star Water for Elephants as vetinary student Jacob, who leaves home to join a travelling circus - where he meets the beautiful circus performer Marlena, played by Ms Witherspoon.
What do you think of Reese's London look? Let us know below.
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