Brad Pitt and Angelina Jolie's children are reportedly upset as their parents have parted ways. The former couple's children have been "begging" their mother to get back with the Fight Club actor, whom she filed for divorce on 19 September, citing irreconcilable differences.

"The kids are devastated and confused about why their parents are suddenly apart. They are all nagging Angelina to get back together with their dad and have everything be back to normal," a source told HollywoodLife.

From the six children – Maddox, 15, Pax, 12, Zahara, 11, Shiloh, 10 and twins Knox and Vivienne, 8 – Shiloh has reportedly been affected the most following the split. And reports suggest that she is upset with her mother for keeping her apart from her father.

"Shiloh is taking [the divorce] the hardest. She's a daddy's girl and she's apparently upset with her mom for keeping them apart. Angelina is trying to explain that it's for the best, but the kids don't see it that way." another source told the gossip site.

Previously, it was reported that the 52-year-old actor was devastated following the split as he was not able to see his children.

"He [Pitt] is beside himself and has been crying. He was completely caught off guard. Brad is in a mess right now. He isn't able to see the kids and he is desperately trying to make sure they are OK by calling valued members of his and Angelina's staff," a source was quoted as saying by Us Weekly.

"He isn't worried about his own reputation right now. His complete and utter devastation has come from what his children are going through," the source added.

Meanwhile, the two have apparently reached a temporary custody agreement, which grants the 41-year-old actress sole physical custody of their children, while the 52-year-old will be allowed to visit them along with a therapist.

The Allied star and the Original Sin actress married in August 2014 after meeting on the sets of their 2005 film Mr & Mrs Smith.

Brad Pitt Angelina Jolie
Angelina Jolie and Brad Pitt were together for 12 years before parting ways Kevork Djansezian/Reuters