JustJared.com can confirm that the 29-year-old actress will be playing herself and will get caught between Ari and another agent.
Jessica tweeted yesterday, “I have the utmost respect for the entire cast and crew of Entourage! Thank you for making the past 2 days memorable. :)”
Her father and manager, Joe Simpson, was also spotted on set.
10+ pictures inside of Jessica Simpson shooting her Entourage cameo… More Here! »