TV’s “Millennial It Girl,”Meredith Hagner makes good on the promise of her roles in everything from to as the ultimate scene stealer with the return of the former on HBO Max after a three-year hiatus and the new Hulu film .In, which is back with season 3, Hagner continues to play lovable narcissist Portia Davenport, who finds herself faced with the consequences of the accidental murder she and her friends covered up in season 1.