'Pretty Little Liars: The Perfectionists' Boss Answers Our Biggest Spinoff Questions! (Exclusive)

ET sat down with creator Marlene King at the ATX Television Festival in Austin, Texas to get the inside scoop on absolutely everything 'PLL' fans need to know before tuning into 'Pretty Little Liars: The Perfectionists'. From checking in on Emily and Alison's relationship, to asking about Mona's Parisian dollhouse and discovering what Spencer and Toby are up to -- only ET is spilling the exclusive Beacon Heights secrets!