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Jessica Simpson is to promote a vitamin enriched beer. 'The Dukes of Hazzard' actress has agreed to be the face of Stampede Light Plus, an alcoholic drink with vitamins to support an active lifestyle.

She said: "As an entrepreneur, I am always looking for ways to diversify my portfolio with good ideas and good people. "Yes, I work out and take care of myself, but I also like a cold beer once in a while."

The 28-year-old blonde beauty has also acquired a 15 per cent stake in the company. Jessica - who recently told her boyfriend Tony Romo's parents she was pregnant without realising the test was inaccurate - has a diverse range of branded products on the market.

She boasts shoe and clothing lines JS by Jessica Simpson and Princy as well as perfume Fancy by Jessica Simpson. Jessica isn't the first star to endorse an alcoholic drink.

Last year, Paris Hilton advertised canned wine drink Rich Prosecco, while P. Diddy signed a multi-million dollar deal to promote Ciroc Vodka.