A ‘90s icon (Piper Halliwell!) showing up as Aria’s cool mom. Holly gave the show some much-needed warmth, even as her character’s marriage fell apart.

The pink streaks. The feather earrings. The teacher. Lucy Hale perfectly captured the brooding, artistic “new girl” who was keeping the biggest secret of all: Ezra Fitz. Watching Aria navigate her parents’ split while literally dating her English teacher is the trainwreck we couldn’t look away from.

It’s hard to believe that Pretty Little Liars premiered over a decade ago. But when we pop in that Season 1 DVD (or fire up Max), the chemistry of this original cast still crackles like a text from an unknown number.