Taylor Swift Plays Mean Girl in James Corden Skit on The Late Late Show

In a taped segment on The Late Late Show with James Corden, the oppressively jovial late-night star pretended to take over the position of General Manager of Los Angeles venue The Forum. Corden's visit coincided with preparations for the iHeartRadio Jingle Ball concert, which occurred there earlier this month. First, he barged into the dressing rooms of…