Hollywood' Hottest Single Stars

From whom they hang with to what they think about settling down, get the skinny on celebs such as George Clooney and Lucy Liu, who are among Hollywood's most in-demand A-list bachelors and bachelorettes. By Serena Kappes

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PUPPY LOVE

Vin Diesel (at MTV's New York studios in April) may be buff and tough, but he has a soft spot for his 175-pound mastiff, Roman. Potential girlfriends beware: "You just have to like big dogs who possibly wander into bed with you in the morning," he told the Chicago Sun-Times in August.