Zac Efron wasn't in the audience of Dancing With the Stars to cheer on his brother Dylan Efron on Dedication Night - but he still got a special shout-out. During the Tuesday, October 14, episode of the ABC reality competition series, Dylan, 33, and his partner, Daniella Karagach, performed a contemporary routine to "Rewrite the Stars" from Zac's movie The Greatest Showman. Though Zac, 37, wasn't seen in the ballroom, Dylan shared the stage with 5-year-old sister Olivia. "I'm dedicating this dance to my little sister, Olivia. I wasn't expecting to be a big brother ...