Lohan, biased against Bowler from the beginning, has "been so mean to Grant that her comeback is in jeopardy," Star reported.

Lohan has looked glamorous in dozens of different '60s period costumes from "Liz & Dick," but "the footage so far has been just awful," due to the obvious lack of chemistry between the stars, said one source.

The actress' publicist, Steve Honig, told Flash, "Lindsay and the cast and crew have become a tight-knit family and are collaborating on what will be an amazing film."