Top 10 box office for May 16-18

Source: Nielsen EDI

1
Chronicles of Narnia: Prince Caspian
Weekend gross: $55M
2
Iron Man
Weekend gross: $31.84M
3
What Happens in Vegas
Weekend gross: $13.9M
4

Speed Racer
Weekend gross: $8.11M
5
Made of Honor
Weekend gross: $4.7M
6
Weekend gross: $4.68M
7
Forgetting Sarah Marshall
Weekend gross: $2.78M
8
Harold & Kumar Escape from Guatanamo Bay
Weekend gross: $1.99M
9
Forbidden Kingdom (not reviewed)
Weekend gross: $1M
10
The Visitor
Weekend gross: $672,000M