When they first started posting videos about their relationship, Campbell and Jett Puckett had no idea their content would soon be recreated by Hollywood’s hottest stars like Sylvester Stallone, Kelsea Ballerini, Zach Bryan, Brianna “Chickenfry” LaPaglia, Alix Earle, Braxton Berrios and more. The TikTok couple, better known as “Pookie and Jett,” recently went viral after fans fell in love with the brunette beauty’s iconic nickname and the footage the southern husband and wife share with their hundreds of thousands of followers. As for how the name “Pookie” came to light, Jett exclusively admit…