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In 2003, at the age of 15, Bea would be cast as 20 year old lawyer Katrina Argos in the TV drama Kay Tagal Kang Hinintay. The role would garner her first "Best Actress" nomination at the 2003 PMPC Star Awards. She was the youngest ever to be nominated in that category.
Kay Tagal Kang Hinintay paved the way for the John Lloyd and Bea loveteam. After three successful teleseryes It Might Be You, Ikaw Ang Lahat Sa Akin and currently Maging Sino Ka Man and hit movies such as My First Romance (where Bea Alonzo was named "Best New Movie Actress" at the 2004 PMPC Star Awards), Now That I Have You, Close To You, All About Love and the recent One More Chance, they are now known as one of the country's premiere loveteam.