Finally!  A celebrity who realizes the importance of not drinking and driving.  I'm sure most of you have realized by now that there is nothing I hate more than when a celeb gets a DUI.  It's so irresponsible...for anyone...but especially for celebrities.  They have money at their disposal to be able to pay for drivers.  They don't need to get behind the wheel and put other people's lives in danger. 
Anyways, P. Diddy is starting his own car service for celebrities that have had one too many.
His rep said,

"After partnering with Ciroc vodka, he wants to make sure everyone's partying responsibly."

As for Diddy, well he said he just wants to make sure no one gets arrested!  Whatever his motives are, I think it's a great idea.