Reese Witherspoon tops list of most-liked celebs

Meanwhile, Angelina Jolie, who is now the companion of Aniston's ex-husband Brad Pitt, was the No. 3 most appealing celebrity at 53 percent.

Actress/singer Jennifer Lopez was behind her with a 52 percent rating, while Katie Holmes followed at 32 percent and behind her was former Spice Girl Victoria Beckham in the No. 6 position with a rating of 28 percent.

Troubled celebrities of 2007--Paris Hilton, Nicole Richie, Lindsay Lohan and Britney Spears--who all have battled drug and alcohol abuse and run into legal problems, rounded out the list with Hilton the least-liked.

She had a low 9 percent appeal rating, and was deemed to be the most over-exposed. Only one notch above Hilton was pop singer Spears with 11 percent likeability and a 68 percent over-exposed rating to Hilton's 75 percent.