“Jess hoped Taylor would lend a helping hand,” an insider said.
“She reached out to Taylor, hoping to do a duet or maybe just hang out together to help raise her profile.
“She’d love nothing more than for Taylor to write her a hit song. But Taylor said she was too busy!”
Jessica, 36, is desperate to revive her career now that her kids with Eric Johnson — Maxwell, 4, and Ace, 3 — are almost school-age.
She thought Taylor, 27, who loved her music as a kid, would be her way back to the stage — but Taylor’s shaking her off!
“Now,” added the spy, “Jess is calling in a favor with Taylor’s sworn enemy — Katy Perry!”