The Nutty Professor star will make his final appearance as the TV marathon's ringmaster later this year (11).
He says, "It's time for an all-new telethon era."
See what the Camden family looks like all grown up.
Everyone knows what Miranda Cosgrove is up to, but what about Spazzy McGee?
Not everyone is making appearances on 'Girl Meets World'.
These celebs prove T. Swift doesn’t have the monopoly on famous pals.