Lauren Conrad sparkled in her sequined dress as she signed autographs outside the Ed Sullivan theater before sitting down to chat with Dave last night. Of course, Heidi and Spencer's wedding was a hot topic of conversation, though LC joked that she's trying to sell her ticket on eBay. Dave also brought up a the sex tape rumors and Lauren's romance with Brody, but LC just laughed it all off. She's a pro at taking it all in stride by now, but Lauren will probably be relieved to focus more on new projects when she leaves The Hills.

To see more photos and watch a clip from her interview, just