06/14/2012 10:14 am ET | Updated Jun 14, 2012

Our Time Launches Campaign For One Million New Jobs With Larry David, Jessica Alba (VIDEO)

Larry David, Jessica Alba and other notable celebrities are taking part in a new push to create "one million new jobs."

In a new campaign by Our Time called "One Million New Jobs," celebrities are showing their support for expanding national service jobs. As part of the campaign, famous faces are encouraging citizens to sign a petition seeking a million new jobs for young people in teaching, nursing, park restoration and infrastructure repairs.

"I think that this is a service nation where we've been able to mobilize and make things happen," singer Usher says in the video.

Watch the video above.

Below, a slideshow of celebrities mingling with Obama:

Obama With Celebrities