Filipina film and television actress, and singer. She is currently part of ABS-CBN contract talents. Alonzo was born on October 17, 1987 in Philippines. Her father is British, and her mother is a Filipina. Her parents separated when she was four. She graduated grade 7 at the Philippine Women’s University – Jose Abad Santos Memorial School She attended The Fisher Valley
In 2003, at age 16, Bea joined the TV drama Kay Tagal Kang Hinintay. She later mainly roled in major soap operas like It Might Be You, Ikaw Ang Lahat Sa Akin, Maging Sino Ka Man and Maging Sino Ka Man: Ang Pagbabalik.
In June 2008, Bea released her debut album The Real Me under Star Records. It was also in mid-2008 when it was announced that she would play the leading character Betty Pengson in the TV sitcom Yo Soy Betty La Fea, which originated from Colombia. The Philippines’ version was entitled I Love Betty La Fea. The show premiered on September 2008 at the primetime slot; it ran for eight consecutive months.
In December 2011, Bea renewed her contract with ABS-CBN, she is set to do two movies under Star Cinema and a reunion drama, The Mistress, with her on-screen partner, John Lloyd Cruz.