Brad Pitt and Angelina Jolie are planning a secret summer wedding and the event could lead to a reconciliation between Angelina and her estranged actor father Jon Voight.

A famously private couple, Brad and Angelina have shunned a big celebrity-packed affair for an intimate and non-religious ceremony at their retreat in Santa Barbara in early June, with only close family and friends present, according to media reports.

And it is understood Angelina who has been estranged from Voight since 2002 after a family rift has handed her father an olive branch and asked him to walk her down the aisle.

"Since they started talking by phone in January, Angie has thought about asking Jon to give her away," a friend says.

"When Angie and Brad started seriously discussing a wedding, the issue of Angie reconciling with her dad came up again and again.

"Angie came around after her brother intervened and strongly urged her to bury the hatchet."

Although a quiet wedding is planned, there will be a smattering of stars.

"George Clooney and Matt Damon will be going, but other than a few film executive friends, it will be a Hollywood-free zone," adds the friend.

"Angelina and Brad want a low-key ceremony. No one will know it's a wedding until they arrive.

"Instead, they are billing it as a summer barbecue and joint birthday party for Angie and daughter Shiloh.

"Brad is picking out cases of his favorite wine from nearby Santa Maria and Paso Robles and Angelina is busy organizing the cake."