Disney and ABC News are celebrating the Fourth of July with live events. Stephanie Ramos will rappel down a wall live from Fort Campbell, a U.S. Army base close to Nashville. Ryan Seacrest will host the live Nashville Star-Spangled Bash between 8 p.m. and 11 p.M. on ABC+. MrBeast, Reba McEntire, Tim McGraw, Brandi Carlile and Nick Jonas are scheduled to make appearances.