"Gossip Girl": The Steamy Rolling Stone Cover Shoot With Terry Richardson

"They didn’t tell us anything about the concept," Blake Lively says. "We didn’t know we'd have any props, but we saw this big fun table — like a kid's birthday party. Um, some of it was a little mature for a kid's birthday party. Some of the ... inflatable items. But it's all been a surprise; it's been really fun."

• Go behind the RS cover story on Gossip Girl, plus watch video from the cover shoot