Following up on a news story from last month about the launch of M&Ms Pretzels, Mars Chocolate is continuing to promote the candy throughout the summer and is hooking up with Sean "Diddy" Combs. The company is partnering with "Diddy", who will host a "Green Party," playing off his annual White Party and celebrating the fact that Ms. Green was voted America's Favorite M&M Character in a recent online contest. The company announced the party, set for September, this week.