By Charisma Madarang “No child should be locked in an immigration detention center,” reads an open letter signed by a growing list of Hollywood stars, physicians, policy experts, and organizations demanding the “immediate closure” of the Dilley Immigration Processing Center in Texas. Hundreds of young children, teenagers, and their parents have been held at the remote facility that has drawn mounting scrutiny over reports of its dehumanizing conditions. The letter also calls on the federal government and private prison operator CoreCivic to “return children and families to the homes and communities they were taken from and to end child imprisonment now.” Madonna, Pedro Pascal, John Legend, Gracie Abrams, Jane Fonda, Keke Palmer, Lance Bass, Cynthia Nixon, Diego Luna, Maren Morris, Mark Ruffalo, America Ferrera, Ben Stiller, Ramy Youssef, and Riley Keough are among the long list of Hollywood stars that have signed the letter, which is open for public signatures on Change.org.…