CNN Entertainment reports that Channing Tatum and Jessie J may be in a relationship, again. br On Friday, the actor posted a picture of himself on Instagram, wearing unicorn hats, with the "Bang Bang" singer, as she kissed his chin.br Tatum and Jessie J started dating in 2018, after Tatum and actress Jenna Dewan divorced after a nine year marriage. br Jessie J is keeping her relationship status with Channing under wraps. br She explained, "We've needed time to get to know each other...