Jennifer Lawrence is reportedly jealous of her boyfriend Nicholas Hoult working with Kristen Stewart on a new movie. Does Jennifer Lawrence not trust Kristen Stewart and her boyfriend Nicholas Hoult working together?

According to Hollywood Life, 23-year-old Jennifer Lawrence is not happy that her 24-year-old "X-Men: Days of Future Past" co-star and boyfriend Nicholas Hoult will be working with Kristen Stewart, 23, on a new sci-fi movie, "Equals."

"She doesn't trust her," a source close to Jennifer told Star magazine.

Perhaps Jennifer doesn't want Nicholas to be working with Kristen because of her questionable track record with the men she works with; who can forget the scandal when Kristen cheated on her long-time boyfriend and "Twilight" co-star Robert Pattinson with their married director, Rupert Sanders.

In fact, some sources are even saying Lawrence's jealousy is creating a feud between their huge fan bases from the "Twilight" saga and "Hunger Games" franchise; Kristen played Bella Swan, and Jennifer plays Katniss Everdeen.

However, Fashion & Style reports that others are saying the feud is just a ploy by tabloids to pit these famous young actresses against each other.

Jennifer and Nicholas met on the set of "X-Men: First Class" in 2011. They split in January, 2013 after dating for two years, due to their busy schedules. But the two stars bonded again in June while filming "X-Men: Days of Future Past" in Montreal, Hollywood Life reports. They have been dating again since this summer.