Celebrity spotlight: access Hollywood's Nancy O'Dell is known for getting sizzling star scoop. Here, the top interviewer gives Cosmo some juicy exclusives.(informer)(Brief article)

1 Eco-friendly hottie Leonardo DiCaprio doesn't lecture his pals who drive SUVs. "I try not to," he told me. "Some people have families, and they need to have a larger car. The point is, you do what you can."

[ILLUSTRATION OMITTED]

2 Justin Timberlake is fired up about collaborating with Madonna. "It doesn't get any cooler than Madonna," he said. But JT's had to try hard to keep up: "She's a workhorse. Her ethic is infectious in the studio. I was like 'I'm too slow!'"

[ILLUSTRATION OMITTED]

3 Even Beyonce has forgotten her own lyrics onstage. "Not during an award show, thank God!" she confessed. But she has a cover-up strategy: "I just put the microphone toward the audience, and they help me out," she said.

4 Jay-Z's song "Hollywood" addresses the pitfalls of celebrity ... ...