Washington, Feb 15 - Star-studded romantic comedy 'Valentine's Day' has topped the weekend box office after raking in 52.4 million dollars.

According to studio estimates, 'Percy Jackson and The Olympians: The Lightning Thief' landed the second spot with 31.1 million dollars.

'The Wolfman' came third with 30.6 million dollars while 'Avatar' stood fourth with 22 million dollars.

'Dear John' rounded off the top five after raking in 15.3 million dollars, reports E! Online.

The weekend's top-grossing films are:

1. Valentine's Day, $52.4 million

2. Percy Jackson and The Olympians: The Lightning Thief, $31.1 million

3. The Wolfman, $30.6 million

4. Avatar, $22 million

5. Dear John, $15.3 million

6. The Tooth Fairy, $5.6 million

7. From Paris with Love, $4.7 million

8. Edge of Darkness, $4.6 million

9. Crazy Heart, $4 million

10. When in Rome, $3.4 million (ANI)