Alexis Ren first started modeling at the age of 13 for Brandy Melville. She was discovered in their store. After a while of freelancing she signed with Nous Model Management at age 14, shortly after she book an ad forseventeen magazine. Ren became internet famous on Tumblr after her photo shoot with Lucas Passmore at nearly 16 years old. In April 2013 she appeared in C-heads magazine. She also appeared twice in Nextdoormodel magazine in 2013 and 2014. In the Summer of 2014 she appeared in the swim campaign forHurley and in July 2014 appeared in the Penta Water Campaign. In August 2014 she walked her first runway for Sahara Ray Swim in Los Angeles. In October 2014 she signed with Chic Management in Australia, also that month she was asked by Calvin Klein to join a game of tag on Instagram to promote their newest #MyCalvins campaign and was presented with the task of making a creative video of herself demonstrating the campaign message to “Put it on, Take it Off".She will also appear in Surfing Magazine swimsuit issue in 2015.