Mariah Carey announced her Jenny Craig spokeswoman gig in November. The singer gave birth to twins in April, so the endorsement is timely when it comes to dropping post-baby poundage. ReutersEmma Watson, best known for her role as Hermione Granger in the "Harry Potter" film series, modeled for Burberry. It’s only fitting that the classy British clothing company would use such a high-profile – and lovely – English actress.Reuters/BurberryAshton Kutcher is a celebrity face for Nikon. He has been seen at events with a “right back at ya” attitude towards the media, filming and photographing them while they do the same to him.Reuters/NikonJennifer Aniston endorses Smartwater. The actress is quite trim, so it’s only natural she’d be selected for this endorsement. Aniston also practices what she preaches: candid photos show her drinking the water in public.Reuters/SmartwaterBollywood superstar Aishwarya Rai, who is renowned for her beauty, has supported eye donation through the Eye Bank Association of India (EBAI). ReutersSally Field is a spokeswoman for Boniva, a prescription medicine designed to combat osteoporosis in women after menopause. She’s looking great and still acting at 65, so it’s no surprise they’d hire her for this job. Reuters/BonivaActress Andie MacDowell, who is looking great at 53, is a spokeswoman for L'Oreal anti-aging products. Reuters/L'OrealJune Allyson was an icon in the 1940s and 50s, with “perfect wife” movie roles that made her the kind of girl WWII GIs said they wanted to come home to. Her endorsement gig: spokeswoman for Depends adult diapers in the 1980s. Reuters/Depends
