For the third time, GQ Magazine is pairing up with some A-list celebrities to raise money for charity in their The Gentlemen's Fund effort. This year, acting heavyweights Ashton Kutcher, Adrien Grenier, Josh Duhamel and Mark Wahlberg have teamed up with GQ to raise money for their individual charities which you can donate to. See all of the ads and get more info after the jump!