Allyson Brooke Hernandez (born July 7, 1993), is an American singer and member of girl group Fifth Harmony.
She was born and raised in San Antonio, Texas, to Jerry and Patricia Hernandez. Brooke was a six week premature baby, weighing in at 1 pound and 4 ounces when she was born. She is of Mexican descent and has an older brother. She attended Cornerstone Christian Elementary School in San Antonio, Texas and completed her high school education through home-schooling. She cites Selena as her biggest musical influence.