Watching "Life" (2016) at about a 5-6, just saw the Ryan Reynolds scene, currently freaking out.

[Spoilers] getting a big starfish push itself into your stomache, then melt your insides and eat you from the inside out. Imagine feeling your insides disappearing and a giant cold blob grow inside you, filling you out. Now ITS BIGGER. LOOKS LIKE A CAT FERN! FUUUU-