The lucky winner and a friend will be flown over to LA to hang out with the movie star to go wine testing.
The unusual competition is part of a drive to raise money and awareness of the organisation Represent.Us, which is campaigning to get anti-corruption laws passed in LA.
“You want to help stop political corruption in America and drink a ton of wine?" Jennifer asks in what has to be the most rhetorical question ever.
" I’m here to give you and a friend a chance to come wine tasting with me in California to benefit Represent.Us."
She is promising that it'll be a great night out, one full of gossip. “It’ll be great. We’ll hang out, drink some wine, talk politics, drink wine, maybe we’ll call your ex, maybe we’ll call my ex – who knows? The point is, we’ll have fun.”
Check out this hilarious video for more details about how to enter....