Sydney Sweeney on ADVICE from ‘Big Sister' Amanda Seyfried & ‘Euphoria’ S3 (Exclusive)

Sydney Sweeney wowed in white Galia Lahav at the L.A. premiere of “The Housemaid,” chatting with “Extra” on the red carpet. She raved over co-star Amanda Seyfried, saying that as a “Mamma Mia” fan, it was a dream come true working together and describing Amanda as a “big sister.” Sydney also talked about wrapping filming for the third and final Aston of “Euphoria,” though she couldn’t say much yet! “The Housemaid” is in theaters December 19.