Maureen Arthur starred in both the stage and screen version of the Broadway musical hit "How to Succeed in Business Without Really Trying" in the 1960s.
Michele has manifested her "Funny Girl" role for years.
Prince, 25, and Paris, 24, reaffirmed the late King of Pop's love of musicals in a rare appearance celebrating their dad.
"Someone check on Angela Lansbury," a concerned fan wrote.
The upcoming revival will mark the first time the show has returned to Broadway in 20 years.
Gaten Matarazzo made his Broadway debut in the 2011 production of "Priscilla Queen of the Desert" and later returned in 2014 to play Gavroche in "Les Misérables".
The "Glee" alum told Page Six that her "Funny Girl" co-star Ramin Karimloo "bought me two big books that I've been diving into."
Pamela Anderson has reportedly taken up an unexpected Big Apple side-gig during her Broadway run -- working as a dog walker.
The "SexyBack" singer is sure to be a huge box office boost if he takes on the role of Professor Harold Hill in the "Music Man" revival.
“Theater is a sacred space, and everybody doesn’t understand that," he added.