Sheryn Mae Poncardas Regis (Tagalog: [ˈrɛhis]; born November 26, 1980) is a Filipino singer and songwriter.

Dubbed as the "Crystal Voice of Asia,"[2][3][4] she is best known for singing the theme songs for several hit television series on ABS-CBN including Marina (2004), Krystala (2005), and Kampanerang Kuba (2005).

[7] With a career spanning 20 years in Philippine entertainment industry, she has since earned four multi-platinum albums and five gold records to her credit.

She won her first grand prize at age 8 after singing Tillie Moreno's "Saan Ako Nagkamali" ("Where Did I Go Wrong").

Aside from singing in contests, Regis earned income by offering voice lessons to children while in high school.

It was during her college years that she was exposed to theater acting and chorale singing which eventually gave her the chance to travel and perform for Filipino communities in Canada and in the USA.

In 2003, Regis secured a place as grand finalist in ABS-CBN's television reality singing competition Star in a Million after advancing from the elimination rounds with Teresa Garcia.

Dubbed as the "Power Belter" because of her effortless high notes, Regis was a judge favorite and was the only finalist to never place in the bottom two during the entire season.

Regis won the Texter's Choice Award but placed only as a runner-up after singing Wendy Moten's Come in Out of the Rain.

Regis also released other singles like Maybe (cover version of Peabo Bryson and Regina Belle) and Kailan Kaya, written by Raul Mitra and Cacai Velasquez which served as theme song of ABS-CBN's primetime fantaserye Marina.

Upon returning, Regis was given a title, Crystal Voice of Asia by the local media, a common tradition among Filipino singers.

In May 2004, Regis officially launched her debut album under Star Records entitled Come In Out of the Rain, produced by Jonathan Manalo.

Sheryn's remake of Joey Albert's I Remember the Boy was chosen as Jasmine's Theme Song for ABS-CBN's teleserye featuring Kim Chiu and Gerald Anderson, Sana Maulit Muli.

She later launched her second official single from the album, a song penned by Ricky Sanchez, Ang Lahat Para Sa 'Yo (later used as a theme song for El Cuerpo), while her self-composition, Pusong Lito, enjoyed frequent airplay in provincial radio stations and was able to reach the Number 1 spot in the MOR Top Hits of MOR Cebu 97.1 Lupig Sila.

By end of February, the music video for the single was shot with her Love Spell costar and Be Bench finalist, John James Uy, as the leading man.

It was also during the planning stages of her fourth album that Sheryn became part of Star Magic, the talent management arm of her mother station, ABS-CBN.

Anabelle Regalado, managing director of Star Records, also contributed a Tagalog original, Sana Nandito Ka.

She possesses a four-octave vocal range, noted for her "distinctive tone and timbre" and "florid blend of breathy riffing and resonant belting.

Some of her musical influence are Mariah Carey, Michael Jackson, Celine Dion, Aretha Franklin, Beyoncé, Kuh Ledesma, Lani Misalucha, and Jaya.

[22] Regis launched The Little Voice Foundation during Sheryn's birthday concert on November 26, 2005, at the SM Megamall Cinema 10.

It aims is to provide education to poor children between 5–12.She also engaged in clothing line business which located in different malls in the Philippines.

Regis hosted the now-defunct Search for the Star in a Million Season 2 with fellow champs Erik, Rachelle Ann, and Mark.

[24] In October 2007, Regis was given her first major dual acting role as a fairy godmother and an evil witch who are twin sisters in Love Spell's Cindyrella, starring Kim Chiu and Gerald Anderson.

[25] In early 2008, Regis was chosen to be part of the cast of Utoy with Dolphy and Makisig Morales as main stars.

In November 2004, Regis became part of Viva Concerts' Pinoy Idols: Battle of the Popstars which was held at the Araneta Coliseum.

Regis was part of the concert together with Mark Bautista, fellow Star in a Million contestants Erik Santos and Christian Bautista, The Voice of the Philippines finalists Morissette and Klarisse de Guzman, and finally American Idol (season 11) finalists Jessica Sanchez and Hollie Cavanagh.

In April 2014, she had a concert in Al Nasr Leisureland, Dubai with the Star Power grand champion, Angeline Quinto.