Dyan Efron 's stellar looks over the years will make you wanna DANCE! Here is a 17-year-old version of a shaggy Dylan rockin' ...

Kaitlyn Bristowe opened up about seeing Zac Efron in the 'Dancing With the Stars' ballroom for the season 34 semi-finals ...

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

Zac Efron was spotted in the 'Dancing With the Stars' audience as Dylan Efron competed for a spot in the season 34 finale ...

Zac Efron cheered on his brother Dylan during the semi-finals of 'Dancing with the Stars' on Nov. 18. Zac's appearance in the ...

Zac Efron finally made an appearance on “Dancing With the Stars” in support of his brother Dylan Efron during the semifinals.

Actor Zac Efron stopped by "Dancing with the Stars" to support his brother Dylan Efron, who is competing on season 34.

Zac Efron finally made his “Dancing With the Stars” appearance during Prince Night, just in time to support his younger ...

Zac Efron finally visited "Dancing With the Stars" to support his brother Dylan — and it seems like he wasn't exactly sure ...

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

After Zac Efron made a surprise appearance for little brother Dylan Efron's Dancing With the Stars semifinals performance Nov. 18, the Traitors alum shared how special it was to E! News.