Insanely addictive.
Adrian Grenier happily hopped into his Toyota Prius hybrid after running some errands in LA the other day. He's just one of the many celebrities who are very vocal about their environmental activism. Between the concerts, magazine covers and PSAs, it's impossible to ignore these stars as they keep doing good, so we want to know - are you inspired to be more eco-friendly?
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1 Courteney, Busy, and Company Take Us Behind the Scenes on Season Three of Cougar Town
Grammy Awards
2 Adele's Sweep, a Prayer For Whitney Houston, and More 2012 Grammys Highlights
Editor's Pick
3 Stage Star
Grammy Awards
4 Nicki, Carrie, Katy, and More Kick Off the Grammy Red Carpet in Style!
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5 Watch Adele's Teary Grammys Speech on "Rubbish Relationship," Snot, and More!
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6 Brad, Penelope, George, Jon, and More Get the BAFTA Red Carpet Started in London
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7 Video: Garcelle Beauvais, Ne-Yo, and More Stars Share Their Fondest Whitney Houston Memories
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8 See All the Berlin Film Festival Pictures So Far With Angelina, Diane, and Jake!
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9 Video: Birthday Girl Jennifer Aniston's 6 Sexiest LBD Moments!
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10 Glamorous Ladies Michelle, Viola, Christina, and Kristen Step Out For the BAFTAs
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11 Video: First Look at Blue Ivy Carter!
Grammy Awards
12 Britney, Diddy, Kim, Miranda, and More Honor Whitney Houston at Clive Davis's Pre-Grammy Party
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13 David and Harper Show Their Support For Victoria Beckham at Her NYFW Presentation
Celebrity PDA
14 Bikini-Clad Scarlett Johansson Vacations in Hawaii With Her Boyfriend
Grammy Awards
15 Jennifer Hudson Delivers Emotional Whitney Houston Tribute at the Grammys
Grammy Awards
16 Rihanna and Coldplay Rock Out With an Amazing, Sexy Grammy Performance!
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17 Remembering Whitney Houston With a Look Back at Her Life in Pictures
Celebrity Birthdays
18 Happy Birthday, Jennifer Aniston! See 43 of Her Happiest Moments
celebrity couples
19 They Dated?! Fun Celebrity Couples From the Past!
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20 Angelina Jolie Looks Ladylike in Black at the Berlin Film Festival
Grammy Awards
21 Carrie, Rihanna, Katy, Fergie, and More Get Sexy on the Grammys Red Carpet
the royals
22 Exclusive — See William and Kate on Vacation in Mustique With the Middletons
Bikini
23 Ashley Tisdale and Sarah Hyland Hit the Beach in Bikinis For a Photo Shoot With Matt Lanter
Celebrity PDA
24 Get Ready For Valentine's Day With 100 Hot PDA Pictures!
