"Every time she tries, there would be Vince puffing away. He's not helping
in the least and when she tells him off about it, he laughs."
Despite struggling to quit, Jennifer is said to be determined to give up -
when the couple start a family.
The source added: "She's convinced that the day she falls pregnant will be
the day she and Vince stop. She just needs that extra incentive."

Meanwhile, after months spent denying they were in a relationship Jennifer Aniston and Vince Vaughn were finally pictured together in public reports China Daily

The celebrity couple were photographed in Paris while they watched Spain's Rafael Nadal four-set victory over Swiss Roger Federer during the final of the French tennis Open.

They maintained separate schedules in Sydney, timing their red carpet appearances to ensure they were not photographed as a couple.

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