Creator Ryan Murphy revealed the news of the 24-year-old actress' return to Zap2it earlier this weekend, reported Hollywood Life.
"Emma's still going to do a couple episodes of 'Horror Story' at the end, I think," Murphy said.
"She comes at the end. She comes and she has a great thing with Evan Peters at the end."
Roberts first joined the horror anthology series in season 3 "Coven", where she played Madison Montgomery, before returning for "Freak Show" in the role of Maggie Esmerelda.
The ensemble cast of "Scream Queens" also includes Lea Michele, Nick Jonas, Oliver Hudson, Abigail Breslin, Keke Palmer, Skyler Samuels, Diego Boneta and Glen Powell.