Zac Efron makes ‘Dancing With the Stars’ appearance to support brother Dylan

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

The “High School Musical” star, 38, was spotted sitting front and center at the show Tuesday, holding their little sister, Olivia, 5, on his lap.

Olivia wore a pink puff-sleeved dress while taking in the live competition, while Zac appeared to go casual in a dark button-down shirt over a white T-shirt.

Dylan, 33, and his partner Daniella Karagach just entered their tenth week in the competition, so fans have been perplexed as to why it’s taken the “Iron Claw” actor this long to show up — even Prince William made a surprise appearance before he did.

Fans repeatedly flooded social media to urge Zac to attend the show with an almost relentless stream of comedic posts.

The “Traitors” alum, however, wasn’t too concerned with the delay.

“Hey, he’s doing his thing,” Dylan told Extra in October with a laugh, adding that Zac has been “supporting [him] every day.”

Fans expected to see the “17 Again” actor when Olivia led out Dylan’s Dedication Night performance of “Rewrite the Stars” — from Zac’s movie “The Greatest Showman” — with Karagach last month.

Dylan dedicated the performance to Olivia, with an emotional nod to Zac.

“I’m dedicating this dance to my little sister, Olivia,” Dylan said in a pre-taped video ahead of the emotional performance, adding, “I wasn’t expecting to be a big brother…but immediately, I was inseparable from her.”

“Now, being able to dance to ‘Rewrite the Stars,’ this is a nod to my brother,” he explained, while getting emotional.

“Zac’s always taken care of me and he did things that were so selfless. I wanna be that to Olivia, I wanna be the best role model I can.”

Fans were thrilled to finally see the former teen heartthrob in the audience supporting Dylan, who is famously close to his older brother.

“THE WAY MY HEART SKYROCKETED WHEN ZAC EFRON CAME ONTO THE SCREEN,” a fan on X gushed, while another wrote, “I’m cracking up y’all bullied Zac Efron to the ballroom.”

“When I tell you I screamed when Zac Efron popped up on my screen. Him being there along with his and Dylan’s sister Olivia got me shedding a tear,” a third chimed in.

“Zac Efron and Julianne Hough in the same room — DIRTY GRANDPA REUNION,” quipped a third, referring to the 2016 comedy the duo appeared in.

A photo circulating on X showed Hough — who is now co-hosting Season 34 with Alfonso Ribeiro — posing with Zac and Olivia as they sat in the audience.

Dylan and Zac — whose parents Starla Baskett and David Efron divorced in 2016 — are now big brothers to Olivia and Henry, 4, whom David has since welcomed with his second wife.