Odd couple Jessica Simpson and Smashing Pumpkins founder Billy Corgan have been collaborating in the recording studio since meeting through mutual friends, but they are not dating, a source close to the bubbly blonde tells FOX News’ 411 Column.

“Jessica loved spending so much time in and out of the studio with Billy,” a friend of Jessica’s spilled. “She’s in awe of his musical prowess, and it adds to her feelings for him, but they are not dating….”