Jen's Marriage Misery 'He Used Me'

Jennifer Aniston and Justin Theroux’s trip to Paris last month started out as a dream vacay – luxe retail therapy topped off with a star-studded dinner at the Louvre on April 11 to celebrate the launch of Louis Vuitton’s new bag collab with artist Jeff Koons. Who wouldn’t love that?!

“In Louvre,” Justin captioned an Instagram shot of him and his actress wife at the event.

But despite the punny social media PDA, the trip turned into a nightmare for Jen after she and Justin got into an epic fight – over another woman!

And the bust-up was so fiery, close pals fear it could be the final straw for Jen, who is With union number two in ruins, the unlucky-in-love star walks out on her flirty hubby terrified she’ll be dumped for another woman all over again.

According to US mag Star, it’s Justin’s flirty friendship with Olivia Munn that has his wife seeing green – and red!

So when Justin brought up newly-single Olivia – who he worked with on the upcoming LEGO NINJAGO Movie – in conversation during an intimate Parisian dinner with Jen on April 12, the shiz hit the fan.

“Justin kept going on and on about how smart and sexy Olivia is, and how he couldn’t wait to see her again for the promo tour,” claims the source.