So many stars lit up the red carpet at the Teen Choice Awards  on Sunday, and we couldn't help but notice how many of them were from one of our favorite shows, Pretty Little Liars ! The red carpet was blazing with stars Shay Mitchell, Sasha Pieterse, Keegan Allen, and Lucy Hale. Then, once the show started, Allen, Ian Harding, and Tyler Blackburn took the stage to present, and Lucy Hale and Tyler Blackburn (and the show itself!) even graced the winners list . Keep scrolling to see all the PLL fun from the night.