LOS ANGELES Audiences were in the mood for some fatal attraction action at the box office. Beyonce Knowles and Idris Elba's "Obsessed" debuted as the top weekend movie with $28.5 million in ticket sales. The thriller stars Knowles and Elba as a couple whose ideal marriage lands on the rocks after a psychotic temp played by Ali Larter begins stalking the husband.

Estimated ticket sales were:

1. "Obsessed," $28.5 million.

2. "17 Again," $11.7 million.

3. "Fighting," $11.4 million.

4. "The Soloist," $9.7 million.

5. "Earth," $8.6 million.

6. "Monsters vs. Aliens," $8.5 million.

7. "State of Play," $6.9 million.

8. "Hannah Montana: The Movie," $6.4 million.

9. "Fast & Furious," $6.1 million.

10. "Crank: High Voltage," $2.4 million.