But, alas, the lovelorn actress was merely acting out a touching scene with co-star Jason Bateman on the set of her new film The Baster.
The movie, which is due to hit cinemas next year, sees Aniston imitate her life in art, playing an unmarried 40-year-old woman called Kassie.
Lean on me: Jennifer Aniston snuggles up to co-star Jason Bateman in New York while filming for her new movie The Baster
In a desperate attempt to have a family, she turns to a turkey baster in order to get pregnant.
Seven years later, she reunites with her best friend Wally, played by Bateman, who reveals he has been living with a secret.
He tells her that he replaced her preferred sperm sample with his own all those years ago.
Aniston was spotted filming the scenes in New York yesterday with Bateman and her on-screen son Sebastian (Thomas Robinson).
Romantics: The film sees Aniston's character Kassie turn to a turkey baster in order to get pregnant
Happy families: Aniston with on-screen son Sebastian (Thomas Robinson) and Bateman, who plays the character Wally
Former lovers: Aniston with John Mayer at this year's Oscars before they split
Last month it emerged that the former Friends actress had split with musician Mayer.
The unlucky-in-love actress had been dating Mayer for a little over a year and the pair appeared to be smitten with each other at the Oscars in March.
Back stage at the star-studded event, which was also attended by Aniston's ex husband Brad Pitt and partner Angelina Jolie, she said the couple were both 'very happy'.
But now Mayer, 31, has called time on their rocky romance for the second time.
According to US reports, soon after Jennifer returned from Europe - where she was promoting her latest film Marley & Me - the pair 'had some disagreements and decided to not continue to see each othe