Billie Eilish was totally mindblown during a flirtatious interview featuring magic tricks. During an episode of Complex’s Interview with a Magician , Eilish sat down with host and magician Anna DeGuzman while repeatedly reacting in disbelief at her tricks—all while exchanging flirty quips. Throughout the interview, the 24-year-old “Birds of a Feather” hitmaker was also asked questions about touring, what’s in her rider, and her upcoming Hit Me Hard and Soft: The Tour (Live in 3D) film, directed by James Cameron. “I can't believe I'm also answering questions. This is crazy,” Eilish said with a laugh.…