Also in limited release, Fox Searchlight's documentary "Young @ Heart" took in $52,312 at four theaters over the weekend and $63,606 since opening Wednesday. The film follows a chorus of elderly singers averaging about 80 who sing punk and pop songs by the Clash, Coldplay, the Talking Heads and other modern bands. It expands to 28 more theaters Friday.

Estimated ticket sales for Friday through Sunday at U.S. and Canadian theaters, according to Media By Numbers LLC.

1. "Prom Night," $22.7 million.

2. "Street Kings," $12 million.

3. "21," $11 million.

4. "Nim's Island," $9 million.

5. "Leatherheads," $6.2 million.

6. "Dr. Seuss' Horton Hears a Who!", $6 million.

7. "Smart People," $4.2 million.

8. "The Ruins," $3.3 million.

9. "Superhero Movie," $3.1 million.

10. "Drillbit Taylor," $2.1 million.