Zac Efron Didn't Sing with the 'High School Musical' Cast, But He Joined Them for a TV Reunion!

The cast of High School Musical reunited for a fun performance of “We’re All in This Together” during the Disney Family Singalong special and Zac Efron was even involved! Zac is supposedly quarantined in the “middle of nowhere” with poor WiFi, but he sent in a grainy video that served as an introduction to the