From Wildcats of 'High School Musical' to the 'DWTS' front row, Zac Efron just proved some reunions are too good to miss.

As anyone who grew up watching High School Musical will surely tell you, Zac knows a thing or two about nailing tricky ...

After Zac Efron made a surprise appearance for little brother Dylan Efron's Dancing With the Stars semifinals performance Nov ...

"Dancing With The Stars" welcomed another star in Season 34 when Zac Efron made a surprise appearance to support brother ...

Dylan Efron reacts to his brother, Zac Efron, making a surprise appearance in the 'Dancing With the Stars' ballroom ...

"The Iron Claw" star made his first cameo in the live audience, rooting for his younger sibling on Prince Night.

Zac Efron made a long-awaited appearance in the Dancing With the Stars season 34 semifinals audience to support his brother, ...

Fans completely lost it when Zac Efron popped up at the Dancing With the Stars ballroom to cheer on his brother Dylan Efron.

Amid high expectations, Zac Efron finally appeared on Dancing with the Stars on November 18. He slipped into the crowd just ...

Zac Efron accidentally stole the spotlight at the Dancing with the Stars semifinals, and he wasn’t even dancing.

Zac cheered on Dylan during the show's semifinals round, where the younger brother and partner Daniella Karagach performed a ...

Dylan Efron has opened up about the support of his brother Zac Efron at Dancing with the Stars finale.The Traitors winner, 33 ...