Christina Aguilera is using her powerful voice to spread awareness about the issue of worldwide hunger.  She is speaking out publicly about the problem, as well as raising money by auctioning off tickets to see and meet her on her show “The Voice.”  We love when celebs use their power for good things!

…to save the world! Singer Jack Johnson is trying to get people everywhere to commit to doing at least one thing that’s great for the Earth.  He’s hoping to get 100,000 commitments–and how could you say no to helping and to Jack Johnson?

Make your commitment here!

Photo by Vic Lic

Infamous rapper Jay-Z is raising money with..sneakers!  Jay is auctioning off five custom pairs of Nikes to raise money for his foundation, which will pay college tuition for kids who can’t afford to go on their own.

Wanna help with education in your community, too?  Check out DoSomething’s ideas for how you can take action.

Photo by chickswithguns

Check out this video of Selena Gomez and her Ramona and Beezus castmates saying Happy Mother’s Day from the set!

The Jonas Brothers are starting a whole new online network called “Cambio” with friends Jordin Sparks, Demi Lovato and more.  Check out their promo here…do you think you’ll tune in?