1. "Tropic Thunder," $26 million.

2. "The Dark Knight," $16.8 million.

3. "Star Wars: The Clone Wars," $15.5 million.

4. "Mirrors," $11.1 million.

5. "Pineapple Express," $10 million.

6. "The Mummy: Tomb of the Dragon Emperor," $8.6 million.

7. "Mamma Mia!", $6.5 million.

8. "The Sisterhood of the Traveling Pants 2," $5.9 million.

9. "Step Brothers," $5 million.

10. "Vicky Cristina Barcelona," $3.7 million.