The Jessica Chastain horror "Other Mommy" topped the North American box office this weekend with a bigger audience than expected, while "The Social Reckoning" got off to a lackluster start.

'Other Mommy' is another win for horror "Other Mommy," released by Universal Pictures, earned $27. 5 million in its first few days in 3,365 theaters, according to studio estimates on Sunday.

The movie, about a sinister supernatural creature that terrorizes a young girl who thinks it's her mother, got dismal reviews from both critics and audiences.