Vince Vaughn and Jennifer Aniston Spark new romance rumors

The fat comedy star helped former girlfriend Jennifer Aniston celebrate her 38th birthday at a star-studded party Saturday night reports Sfgate.

Aniston's best friend and former "Friends" co-star Courteney Cox hosted the bash at her home in Beverly Hills.

Courteney's yard was decorated with dozens of small votive candles lining the walkways, and the smell of barbecued sea food wafted above the mid-century modern home. Jen arrived at shortly after 7 PM, followed a half hour later by none other than ex-boyfriend Vince Vaughn. The Chicago-born actor, wearing a red jacket and looking unshaven and scruffy, arrived in a silver Volvo with a male friend. Vince was smiling and laughing as he got out of the car and quickly ducked inside the party reports Star Magazine.

Vince made an early exit from the party, escaping in the back seat of the Volvo as his friend drove.

Vince Vaughn and Jennifer Aniston began dating in the summer of 2005 while filming "The Break Up" and announced in December they had officially split.

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