Jessica Chastain, considered an Oscar-frontrunner for Best Actress ("Zero Dark Thirty") this awards season, can now add the title Box-Office Queen. Her Universal horror flick, "Mama," topped the box-office weekend with $28.1 million, and blasted Arnold Schwarzenegger's "The Last Stand" which flopped at No. 10 with, gasp, $6.3 million! ("Mama" and "The Last Stand" movie reviews)

Even the lukewarm actioner, "Broken City," starring Mark Wahlberg and Russell Crowe easily beat Schwarzenegger and debuted at No. 6 with $9 million.

Previous weekend's box-office champ, Kathryn Bigelow's "Zero Dark Thirty" also starring Chastain, fell to No.2 with $17.6 million. 

In the international market, "Django Unchained" was the leader of the pack with $48.1 million, followed by "Life of Pi" with $20.7 million, and then "Les Miserables" at No. 3 with $19.4 million. 

Here's the estimated Top 10 box-office films in the U.S. market for weekend of January 18:

1. "Mama," $28.1 million.

2. "Zero Dark Thirty," $17.6 million. ($770,000 international.)

3. "Silver Linings Playbook," $11.4 million. ($700,000 international.)

4. "Gangster Squad," $9.1 million. ($5.7 million international.)

5. "Broken City," $9 million.

6. "A Haunted House," $8.3 million. ($1.6 million international.)

7. "Django Unchained," $8.2 million. ($48.1 million international.)

8. "Les Miserables," $7.8 million. ($19.4 million international.)

9. "The Hobbit: An Unexpected Journey," $6.4 million. ($13.2 million international.)

10. "The Last Stand," $6.3 million. ($1.3 million international.)