Peralejo was among the cast of ABS-CBN's Ang TV[1][2] In 1995, she made her film debut as Jessie in Star Cinema's Sarah... Ang Munting Prinsesa.
In 1997, Peralejo was relaunched as a teen actress via ABS-CBN's Talent Center's, now Star Magic, Star Circle Batch 4[3][4] and joined the cast of Gimik in the same year.
She portrayed the role of Joie in the hit teleserye Mula sa Puso.
Peralejo completed her Bachelor of Science in Philosophy, with a Tourism minor, in the University of the Philippines.
[2][5] On February 23, 2013, Peralejo married Charlie Fernandez in Filipiniana-themed wedding in Pinaglabanan Shrine (Sanctuario de Santo Cristo) in San Juan.