LOS ANGELES - Naomi Watts ran rings around the competition as her horror sequel "The Ring 2" took in $36 million to debut as the top weekend movie.

The movie's take was more than double the $15 million that the original surprise horror hit grossed at its 2002 opening.

"Robots," the previous weekend's No. 1 movie, slipped to second place with $21.8 million, lifting its 10-day total to $66.9 million, according to studio estimates Sunday.

Disney's family hit "The Pacifier" held up well in third place with $12.5 million, pushing its three-week total to $72.3 million.

Disney's new family movie "Ice Princess" had a tough time finding a toehold. It premiered at No. 4 with $7 million.

Estimated ticket sales for Friday through Sunday:

1. "The Ring 2," $36 million.

2. "Robots," $21.8 million.

3. "The Pacifier," $12.5 million.

4. "Ice Princess," $7 million.

5. "Hitch," $6.6 million.

6. "Be Cool," $5.8 million.

7. "Hostage," $5.797 million.

8. "Million Dollar Baby," $4.1 million.

9. "Diary of a Mad Black Woman," $3.5 million.

10. "Constantine," $2.3 million.