Glee Season 4 Spoiler: Rachel's "Mama", Shelby is Back!

Glee Season 4 Spoiler: Rachel's "Mama", Shelby is Back!

Lea Michele (Rachel) took to Twitter this week to announce that a certain someone was back filming on the set of Glee with her!

TV Guide and TVLine also confirmed the news.

How do you think the show will write Rachel's biological mom, Shelby (Idina Menzel) into her New York plots this season?