Popsugar Entertainment The Bachelor How Old Are the Bachelor Contestants on Arie's Season? The Bachelor Age Investigation: How Old Are All of the Contestants on Arie's Season? February 27, 2018 by Monica Sisavat Solís First Published: January 10, 2018 View On One Page Photo 9 of 29 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Caroline, 26 Previous Next Start Slideshow The BachelorArie Luyendyk Jr.TV