We know this because she freaked out like a teenage fan girl when meeting show star Damian Lewis at Sunday's SAG awards red carpet.
Turns out, Lawrence has watched seasons 1 and 2 of the Showtime show twice, and is currently waiting for season 3 to hit DVD.
So when "Access Hollywood" host Shaun Robertson spilled the beans about a huge spoiler in the latest season, Lawrence flipped.
After getting visibly upset, the actress told the host she was "a monster."
Watch it all go down below: