HSM cast reunite to celebrate 10-year anniversary Jan. 20 at 8pm on Disney Channel. Zac will join the telecast in a pre-taped message.



Here's an update on Zac's upcoming appearances so far

January 18th: ET (Neighbors 2)
January 19th: Neighbors 2 trailer
January 20th: Ellen (Dirty Grandpa)
January 20th: (HSM 10 reunion)
January 21th: Kimmel (Dirty Grandpa)