[1][2] At age 14, she emerged as a runner-up in TV5's Star Factor and made her theatrical debut in 2012 as Mitchie Torres in Repertory Philippines' production Camp Rock: The Musical.

[10] In 2017, she co-hosted Bolt of Talent with American singer Michael Bolton, which aired on Star World and Fox TV.

[15] In 2019, she was chosen by Disney alongside Darren Espanto to sing "A Whole New World" for the Philippine release of the live-action film Aladdin.

[22] In her first singing contest held by a radio station in Cebu, she sang Christina Aguilera's version of "Reflection".

[33][34] In 2012, Morissette played the lead role of Mitchie Torres in the Repertory Philippines production of Disney's Camp Rock: The Musical.

[36] During the blind auditions aired in June 2013, Morissette sang "Love On Top", and Sarah Geronimo selected her to be part of her team.

[42][43] On the first night of the semifinals in September 2013, Morissette and teammate Klarisse de Guzman both sang "The Voice Within" as a battle song.

Together with her former teammate from The Voice of the Philippines, de Guzman, and Angeline Quinto, she was given a segment on ASAP called "HD" or "Homegrown Divas".

She was accused of lip-syncing Ariana Grande's "Break Free" after the hosts of the show praised her for keeping her voice steady while dancing across the stage.

[54] In September 2014, Morissette performed in the 2014 finals of Himig Handog P-Pop Love Songs,[55] the country's most popular songwriting and music video competition.

[56] She interpreted "Akin Ka Na Lang", an original song written by Francis Louis "Kiko" Salazar which was chosen as one of the 15 finalists out of more than 6,000 entries submitted since November 2013.

[59][60] The carrier single "'Di Mapaliwanag" was used as a theme song for the Koreanovela My Lovely Girl on Kapamilya ABS CBN and won as Asianovela Themesong of the Year (2015).

[67] Morissette was also part of the concert Confessions: A Night of Secrets, Stories and Songs in February 2016 at the Music Museum by Stages Sessions.

[69][70] Winners in WMA's major award categories were allowed to choose beneficiaries of financial assistance worth ₱100 thousand.

[75] Prior to the concert, Morissette stated that she wanted to break free from her stereotype as a belter and show her skill in dancing as well as demonstrating her softer side.

[77] The group staged its first concert in March 2017 at the SM Mall of Asia Arena,[78][79] followed by shows in Abu Dhabi, Canada, and United States.

[82] In the same year, she co-hosted with Bolton a talent-search show called Bolt of Talent on STAR World Asia and Fox TV.

She won all six categories in which she was nominated and joined the Wishclusive Elite Circle with two Bronze Awards for her version of Mariah Carey's "Against All Odds" and Little Mix's "Secret Love Song".

[83] As of February 2017, this performance was the first to hit 25 million views on Wish 107.5's YouTube channel, guaranteeing Morissette at least a Silver Wishclusive Elite Circle award at the next WMA.

[89] In February 2018, at Morissette's concert "Made", Regine Velasquez joined her for a duet of "Akin Ka Na Lang".

[93] In 2019, Morissette and Darren Espanto recorded the song "A Whole New World" for Disney's Philippine release of the live-action film adaptation of Aladdin.

[94] Later that year, Morissette was a judge for the Himig Handog 2019[95] and recorded the song "This Is Christmas" with Ben Adams, released in November 2019.

[97] In August 2020, Morissette was a judge, with Michael Bolton, in an international talent competition, Asian Dream, of AXN Asia.

[106] Morissette celebrated her tenth anniversary in the music industry through a virtual concert titled "Phoenix", held on KTX on January 23–24, 2022.

[2] In February 2022, Morissette's rendition of "Gusto Ko Nang Bumitaw" appeared on the soundtrack of the TV series The Broken Marriage Vow.

Morissette noted on their YouTube wedding video: "it was so hard trying to keep this a secret for the past several months, but we're finally Free!

"[113][114] Morissette has stated in an interview that Mariah Carey served as an inspiration to develop her skill in singing in the whistle register.

[29][6] Morissette is an admirer of the vocal performances of Mariah Carey and has also credited the influence of Shoshana Bean, Cynthia Erivo, Chandler Moore and Tasha Cobbs.