Jennifer Aniston and Justin Theroux’ love has been ongoing ambiguity over when exactly their relationship started and when he split from 14-year-long love Heidi Bivens.

In a bid to set the record straight, Jennifer Aniston had an emotional meeting with Heidi Bivens, 35, at the Mercer Hotel in a New York hotel last week.

Upset at being portrayed as a “homewrecker”, Jennifer Aniston assured the costume designer she never got together with Justin Theroux until he was single, according to this week’s Grazia magazine.

A source told Grazia magazine: “Jen has always been sympathetic to Heidi because he’s heard from Justin just how devastated she is about their break-up.

“But Jen has always been adamant that their relationships did not cross over.”

Jennifer Aniston and Heidi Bivens reportedly met at the Mercer Hotel on November 6, and talked over a glass of wine.

The source said: “Jen told Heidi that she understands what a painful time she has been going through and explained that she wanted her to know, hand on heart, that she would never steal another woman’s man.

“Heidi apparently got quite tearful during the meeting, as it was understandably a lot of take in.”

Jennifer Aniston, 42, and Justin Theroux, 40, met on the set of new film "Wanderlust" last autumn, but weren't romantically linked until late May this year

Jennifer Aniston, 42, and Justin Theroux, 40, met on the set of new film “Wanderlust” last autumn, but weren’t romantically linked until late May this year.

Heidi Bivens confirmed in a statement via her publicist in mid-June that she had “just moved out of their home last week” after 14 years with Justin Theroux.

Heidi Bivens moved out of the couple’s New York home a week after Jennifer Aniston and Justin Theroux were first photographed together at the MTV Movie Awards after-party.

Heidi Bivens confirmed in a statement via her publicist in mid-June that she had "just moved out of their home last week" after 14 years with Justin Theroux

In recent months, Jennifer Aniston and Justin Theroux have become inseparable and are living together in a $6 million New York apartment.

In a press conference three weeks ago, Jennifer Aniston shot down reports she was pregnant or engaged.

“Rumour number one: I am not planning to get married any time soon. I’ve been married once, and I don’t know if I’ll get married again.

“But I can tell you that as of this very moment, I have no plan to get married. Got that?

“And rumour number two: no, we’re not pregnant. It’s just I quit smoking, so I’ve gained a couple of pounds.”