Wild Things: Stars Meet Exotic Animals!Some of Hollywood's biggest names – Gisele! Mariah! Oprah! – unleash their animal instincts

Credit: Courtesy Justin Bieber

Updated: Thursday Aug 01, 2013 | 06:00 AM EDT By: Anna Hecht

JUSTIN BIEBER

When his on-again, off-again love Selena Gomez wasn't looking, the singer bonded with a polar bear during a private viewing at Ohio's Columbus Zoo and Aquarium.