This followed by a string of successful projects and leading roles in dramas such as the Philippine adaptation of My Girl (2008), action-melodramas Tayong Dalawa (2009), Kung Tayo'y Magkakalayo (2010), rom-com My Binondo Girl (2011–2012), family drama Ina, Kapatid, Anak (2012–2013) and period drama Ikaw Lamang (2014).She also starred in several films including Bride for Rent (2014), one of the highest grossing Filipino film of all time, grossing P326 million at the box office.
In the midst of movie promotions, it was reported that the long-time couple (known as Kimerald) had split, yet the reason for the breakup was not discussed.
She top-billed in a weekly musical anthology series Your Song, as a sub-series for the 12th season called Your Song Presents: Kim.
Chiu was heavily involved with relief efforts for Typhoon Yolanda via Red Cross, which had affected parts of her hometown.
Aside from giving food and water, she also held week-long clothes auctions to raise money for Typhoon victims.
It ran for four months and led her to pair up with Sam Milby, Jake Cuenca, Pokwang, Derek Ramsay, Enrique Gil and Vice Ganda.
In 2012, Chiu starred in a horror film with Vilma Santos entitled The Healing.She and her siblings were raised by their paternal grandmother and, as children, frequently moved residencies in the Philippine Visayas; locating in Tacloban, Leyte, Cebu, Cagayan de Oro, General Santos City, Mindoro and back to Cebu City until 2006.Chiu has since participated in disaster relief organizations such as Philippine National Red Cross and Sagip Kapamilya.It held the first and second place viewer rating in its time slot and was awarded Best Primetime Drama Series at the 28th PMPC Star Awards for Television.Her performance as Tin Manalo gave her another Best Actress Awards from 6th Eduk Circle Awards, 6th OFW Parangal Awards and Guillermo Mendoza.It was Chiu's first role as a villain and her first film to hit P100 million mark, with her receiving several nominations under different award giving bodies including PMPC, 12th Gawad PASADO Awards and the 34th MMFF for Best Supporting Actress.