Allyson Brooke Hernandez Castillo (born July 7, 1993) is an American singer. She was a member of the girl group Fifth Harmony. In 2017, Brooke was featured alongside rapper ASAP Ferg on the single "Look at Us Now" by Lost Kings. Afterwards, she released "Perfect" with DJ Topic. Following Fifth Harmony's indefinite hiatus, Brooke signed a record deal with Atlantic, and... Wikipedia