Channing Tatum is showing some love to his favorite era. In an Aug. 6 Instagram post shared by Gayle King, the actor posed at the Eras Tour in an over-the-top outfit completely dedicated to Taylor Swift. Tatum attended the LA show the day prior in a black t-shirt with the words “It’s Me, Hi, I’m the Daddy, It’s Me” written in pastel fabric paint (a reference to Swift’s “Anti-Hero”). He completed the look by framing one eye in a pink crystal heart, harkening back to the imagery from Swift’s…