The horror film "Insidious: Chapter 2" debuted at No. 1 in this week's box office with an estimated $41 million.

Another debut, the mob comedy "The Family", came in second with $14.5 million, and last week's No. 1, "Riddick", rounded out the top three with $7 million.

The top ten:

"Insidious: Chapter 2" $41 million
"The Family" $14.5 million
"Riddick" $7 million
"Lee Daniels' The Butler" $5.6 million
"We're The Millers" $5.4 million
"Instructions Not Included" $4.2 million
"Planes" $3 million
"One Direction: This is Us" $2.4 million
"Elysium" $2 million
"Percy Jackson: Sea of Monsters" $1.8 million