What you mainly need to know is that she started . She was invited to Tom Cruise and Katie Holmes' wedding, but was asked by the church to bring her friends J.Lo and Marc Anthony (presumably so that the church could ).
The church made attempts to separate Leah from J.Lo throughout the entire event, like having them travel in separate cars, etc.
The head of the church, who was serving as Tom's best man, attended that wedding without his wife. Leah saw all of this as strange, unacceptable behavior.Leah didn’t leave the church right when she started having doubts.
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