Schirin Grace Sigrist (born March 16, 1995), known professionally as Shy Carlos, is a Filipino actress and recording artist. She is a former member of the all-female group called Pop Girls. She gained wide recognition for her role as Jackie Reyes in the teen romance film based on the best-selling romantic novel of the same name Para sa Hopeless Romantic (2015) and its sequel Para sa Broken Hearted (2018). She also appeared in such films as Chain Mail (2015), Pagsanib Kay Leah Dela Cruz (2017) and The Barker (2017). She is also a VJ for the music channel MTV Pinoy.