Baldwin signed with IMG Models in March 2013. In April, Baldwin made her modeling debut in a swimwear editorial for the New York Post. In May, Baldwin appeared in W Magazine's It Trend, It Girl feature. Baldwin was Vanity Fair's It Girl in June, and was photographed by Patrick Demarchelier for the issue. Elle interviewed Baldwin in their September 2013 issue. The editorial accompanying the interview was photographed by Thomas Whiteside and styled by Joe Zee. She appeared in an editorial for DuJour magazine photographed by Bruce Weber. Baldwin also made her acting debut in the film Grudge Match, playing a younger version of Kim Basinger's character, Sally.