Chiu gained prominence by winning the reality series Pinoy Big Brother: Teen Edition. For the show, Chiu left her hometown of Cebu City and moved to Manila. She, along with the rest of the housemates entered the Big Brother house on April 23, 2006. After 42 days in the Big Brother house, she was named the Teen Big Winner with 626,562 votes (41.4% of the total votes) at the Aliw Theatre inside the Cultural Center of the Philippines Complex in Pasay City. She was the only housemate who was never nominated for eviction. Now She is an outstanding actress.