Once again, an animated movie found itself ruling the weekend box office.

In this case, it was 'Rio.' The high-flying kids' movie, which features the voice talent of Anne Hathaway, Jesse Eisenberg and more, pulled in an estimated $40 million, making it the year's best opening thus far.

Coming in at a distant second was the much-anticipated 'Scream 4,' which opened with an underwhelming $19.3 million. That number is especially disappointing, considering 'Scream 3' grossed $34.7 million in its opening weekend 11 years ago.

In third place was last week's number-one movie, 'Hop,' with $11.2 million. 'Hop' marks one of two movies starring Russell Brand now in theaters. His other movie, 'Arthur,' dipped to sixth place this week, earning just $6.94 million.

Rounding out the top five were 'Soul Surfer,' with $7.4 million, and 'Hanna,' with a steady $7.3 million.

This weekend's other new release, the Robert Redford indie drama 'The Conspirator,' came in ninth place, with $3.9 million on just 707 screens.

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