Gwyneth Paltrow recently split from Coldplay front man Chris Martin and she's now reportedly told friends she made the biggest mistake of her life when she broke up with Brad Pitt wishes he was back in her life.

Paltrow got engaged to Pitt while she was dating him between 1994 and 1997.

"Newly single Gwyneth Paltrow has confessed she made the biggest mistake of her life when she broke up with… Brad Pitt! Gwyneth never got over Brad," an alleged source told National Enquirer.

"She still talks about that period as the most fun and stimulating of her life. He was the coolest guy she ever met and their sexual chemistry was off the charts," the source added.

However, Pitt is in a happy and long term relationship with Angelina Jolie and they are parents to biological children Shiloh, and twins Knox and Vivienne. They also have adopted children Maddox, Pax and Zahara.

"Gwyneth would run back to Brad in a heartbeat, but he's moved on. He's a big believer that there's never any point in going back, so even if he and [Angelina Jolie] did split up, he wouldn't be interested," another source told the publication. "The truth is that in Gwyneth's eyes, nobody ever compared to Brad."

Meanwhile, Pitt's former wife Jennifer Aniston came to the Iron Man actress' rescue during her split with Martin.

"Jen has been helping Gwyneth stage-manage the split in her marriage. She suggested to Gwyneth that they go on holiday as a family before breaking the news," an insider revealed to Grazia magazine.

"Jen's known all about Gwyneth and Chris' marriage problems for a long time. And ever since they announced their split, she has been on the end of the phone round the clock offering support and guidance," the source added. "She was also instrumental in helping Gwyneth while she and Chris were deciding whether to end things."