YALL THIS TOP IS SO CUTE! WE SUGGEST SIZING UP THIS TOP IS RUNNING SIMILAR TO JUNIOR SIZING ALLISON IS A LARGE AND LIKED THE FIT OF THE 2X FOR A LOSE TRUE FIT (SHE DOESNT LIKE ANYTHING CLINGY OR FITTED). IF YOU ARE MORE PETITE YOU CAN STICK TO YOUR SIZE. IF YOU LIKE THEM A LITTLE FITTED ONLY SIZE UP ONCE. ALSO IF YOU HAVE ANY QUESTIONS ON WHAT SIZE TO GET PLEASE CALL THE STORE AT 361-231-7022 OR FB MESSAGE US.