The Conjuring scared off competition at the U.S. box office over the weekend (19-21Jul13) after raking in $41.3 million (£26.6 million) in ticket sales.
The Patrick Wilson and Vera Farmiga thriller, based on the true story of paranormal investigators Ed and Lorraine Warren, is already a massive success after grossing more than double its production budget in the first three days of release.
Despicable Me 2 dropped to second place with takings of $25.1 million (£16.2 million), while animated family film Turbo, which features the voice of Ryan Reynolds, finished third with earnings of $21.5 million (£13.9 million).
Adam Sandler's comedy Grown Ups 2 came in fourth ($20 million/£12.9 million) and Red 2 premiered in fifth ($17.9 million/£11.5 million)
R.I.P.D., another of Reynolds' films and co-starring Jeff Bridges, was a major disappointment - it failed to break the top five, debuting at number seven ($12.7 million/£8.2 million).
'Wilson', starring both Dern and Harrelson, is released in U.S. cinemas on March 24th.
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