Jennifer Lopez has reportedly pulled out of a new movie about the 33 Chilean miners who were trapped underground in 2010 over scheduling conflicts.

The singer/actress signed on to join Antonio Banderas, Martin Sheen and Rodrigo Santoro in The 33, which will document the 69 days the workers spent in the darkness before they were rescued.

However, Lopez has now stepped down from the job amid reports filming would clash with shoots for her upcoming return as a judge on reality show American Idol, according to

A replacement for the superstar has yet to be announced. Director Patricia Riggen is expected to begin production on The 33 in late November (13) in South America.