The top 10 movies at the North American box office

LOS ANGELES (Reuters) - Following are the top 10 films at the North American box office for the weekend beginning on Aug 22, led by "Tropic Thunder," according to studio estimates compiled on Sunday by Reuters.

1 (1) Tropic Thunder ...... $ 16.1 million

2 (*) House Bunny ......... $ 15.1 million

3 (*) Death Race .......... $ 12.3 million

4 (2) The Dark Knight ..... $ 10.3 million

5 (3) Star Wars: The Clone Wars .......... $ 5.7 million

6 (5) Pineapple Express ... $ 5.6 million

7 (4) Mirrors ............. $ 4.9 million

8 (*) The Longshots ....... $ 4.3 million

9 (7) Mamma Mia! .......... $ 4.3 million

10 (6) The Mummy:

Tomb of the Dragon Emperor ....... $ 4.1 million

NOTE: Last weekend's ranking in parentheses. * = new release.

TOTALS TO DATE

The Dark Knight .......... $489.2 million

Mamma Mia! ............... $124.5 million

The Mummy: Tomb of the Dragon Emperor ... $ 93.8 million

Pineapple Express ........ $ 73.9 million

Tropic Thunder ........... $ 65.7 million

Star Wars: The Clone Wars ............... $ 25.0 million

Mirrors ... $ 20.1 million

"Tropic Thunder" was released by Paramount Pictures, a unit of Viacom Inc

"House Bunny" and "Pineapple Express" were released by Columbia Pictures, a unit of Sony Corp.

"Death Race," "Mamma Mia!" and "The Mummy: Tomb of the Dragon Emperor" were released by Universal Pictures, a unit of General Electric Co's NBC Universal.

"The Dark Knight" and "Star Wars: Clone Wars" were released by Warner Bros Pictures, a unit of Time Warner Inc

"Mirrors" was released by 20th Century Fox, a unit of News Corp.

"The Longshots" was released by privately held Metro-Goldwyn-Mayer Inc.

(Reporting by Lisa Baertlein; Editing by Cynthia Osterman)