2006–07: Pinoy Dream Academy, career beginnings and Hawak Kamay On August 27, 2006, Yeng Constantino auditioned for the
inaugural season of the singing competition
Pinoy Dream Academy. In December, Constantino won the competition after garnering 697,648 votes (37.32%), becoming the first "Grand Star Dreamer", followed by
Jay-R Siaboc as the first runner-up. After winning, Star Music launched Constantino's debut album entitled
Salamat, containing 10 songs, seven of which were original compositions by Constantino. Her album reached Gold Record status two weeks after its release and then later went Platinum after a month, followed by a "3× Platinum Record" certification several months later. On February 28, 2008, her second album,
Journey was launched. The lead single is "Ikaw Lang Talaga". The album contains 12 tracks, some of which were written by Yeng. The album reached Gold status. Sometime in November 2008, Constantino became a member of the all-female group Y.R.S., a group composed of Constantino,
Rachelle Ann Go and
Sarah Geronimo that was a segment of
ASAP '08 until its disbandment in March/April 2010 following Go's transfer to
GMA Network.
2009–12: Lapit and Yeng Versions Live Lapit, her third studio album, was released digitally on Star Records' official website on October 9, 2009. The show aired on
ABS-CBN until September 2011. On October 5, 2011, Star Records released her first live album, entitled
Yeng Versions Live, on which she sings 80s and 90s OPM hits. It achieved Platinum status.
2013: Transformation and Metamorphosis She released her fourth studio album entitled
Metamorphosis on January 28, 2013. Its first single, "B.A.B.A.Y", was released to radio stations earlier that month on January 9. The music video for the second single, "Chinito", premiered on May 24, 2013, on
Myx Channel. It features Filipino actor
Enchong Dee as Constantino's love interest. The third single, "Sandata", was released on July 3, 2013. In November 2013, Yeng released her international single "Better Than Yesterday," a pop song featuring prominent drums and rap courtesy of Singaporean rapper, actor and radio personality Sheikh Haikel. The track was produced and written by Shorya Sharma. This album reached Gold status in December 2014. It was released on
iTunes on October 30, 2014, and on CD on November 27, 2014. The music video for the first single, "Ikaw" premiered on August 30 on
Myx Channel. On December 13, 2015, the album was awarded Gold and Platinum awards on ASAP for reaching 15,000 sold copies. The season aired on ABS-CBN from June 6 to August 30, 2015.
2016: Tenth year celebrations In 2016, Constantino was announced to be one of the mentors of the reality show
We Love OPM: The Celebrity Sing-Offs, which ran from May 14 – July 17, 2016. Her team is named Oh My Girls, which was composed of
Ylona Garcia, Krissha Viaje and
Alexa Ilacad. Oh My Girls placed second overall throughout the entire show's run. In May 2015, Constantino announced plans to release a musical in 2016 that would feature her discography from the past years to celebrate her tenth year in the music industry.
2016–20; 2023: DIVAS On April 27, 2016, Constantino was announced to be part of the DIVAS Live in Manila concert, along with
Kyla,
KZ Tandingan and
Angeline Quinto.
Rachelle Ann Go was originally going to also be part of the concert lineup, but had to withdraw due to international commitments. The concert was held on November 11, 2016, On December 15, 2018, Constantino, Tandingan, Quinto and Kyla teamed up again at the
Smart Araneta Coliseum for another concert, this time with
Boyz II Men, titled Boyz II Men with DIVAS. From July to August 2023, Kyla, Yeng and KZ, toured in the United States and Canada following the Cornerstone All Star Concert for another tour, titled Vocal Champs, with
Jason Dy as their special guest for the tour.
2018: Synesthesia In 2018, Constantino released her sixth studio album titled
Synesthesia. The album spawned four singles, including "Pinipigil" and the hit single "Ako Muna". The song is a pop ballad and an emotional and self-empowering anthem. Constantino performed the song live on Wish 107.5 bus and it earned 7.2 million views on YouTube. She also performed the song in It's Showtime. The song became a radio hit in the Philippines and peaked at number six on the Myx Daily Top Ten music videos chart, and number ten on the MOR Pinoy Biga10 radio chart. The song also played in the radio in the United Kingdom with six spin and in Sweden. The music video of "Ako Muna" was released in March 2018 on YouTube and was directed by Miguel Alomajan, earning 9.8 million views on YouTube. Two more singles on the album released: "Tahimik" and "Dasal."
2023: New record label In 2023, Constantino was named the global ambassadress of the Academy of Rock, a musical school in Singapore devoted to teaching rock and popular music. In 2025, Constantino was announced as a guest performer in the
Kolorcoaster overseas concert tour by
Maki in November, with stops in the United Arab Emirates and Qatar. She also performed at the concert's Philippine leg at the
Araneta Coliseum in
Quezon City on November 7. ==Artistry==