Singer/songwriter Christina Perri joins the Fempire, and shares her Hollywood Heartbreak, what it means to be the "sad song girl," how she finds inspiration in happy moments, why she thinks Ed Sheeran is the coolest celebrity she knows, and which "Twilight" moment was almost too much to bear! She also has reveals which celebs she social media stalks (in a good way), and why she'd never, ever date Coldplay's Chris Martin.