Adrian Grenier may have played womanizer Vinny Chase on TV, but the "Entourage" star has a more down-to-earth side. Grenier posts pics of his personal life, including one with his mom's dog. Aww.
Mariah Carey
The pop diva keeps fans up-to-date by posting photos and updates on her Google+ page.
Snoop Dogg
Looks like there's no more drama in the LBC. The rapper updates us about his laid-back life on his Google+ page.
The rapper posts updates on his Google+ page, but occasionally gives cool things away to his fans.
Dwight Howard
Basketball fans will be happy to add Orlando Magic's center Dwight Howard to their circles.
David Spade
The comedian and actor posts personal photos and updates on Google+.
Wil Wheaton
The actor has always been active on social media sites. Google+ is no exception.
Ron Garan
Ok, he's not famous, but he should be. NASA astronaut Ron Garan is currently aboard the International Space Station and posts photos from outer space. Super neat, right?