Nicole Richie Admits That She Set Up Cameron Diaz & Benji Madden!

Nicole Richie and political commentator Rachel Maddow get silly together on the red carpet at Watch What Happens Live on Tuesday evening (July 8) in New York City.

The 32-year-old fashion designer was grilled by host Andy Cohen about Cameron Diaz and Benji Madden‘s new relationship.

“I approve of anything that’s going to make Benj happy,” Nicole said about her husband Joel Madden‘s brother. “I am a devoted sister in law. I’m happy for anyone who is happy, and I want everyone to be surrounded with love.”

She then admitted that she set them up! “I’m going to take responsibility for everything!”

Also pictured inside: Nicole out in New York City earlier in the day rocking two different chic outfits.

10+ pictures inside of Nicole Richie in NYC…