Myrtle Sarrosa was born to politician Rodolfo Sarrosa Jr., and accountant Tam Porlucas. Sarrosa was born and raised in Barotac Nuevo, Iloilo. At the age of fourteen, Sarrosa started participating in cosplay conventions and won several awards for cosplaying in the Philippines.^{[citation needed]}

At 15 years old, Sarrosa served as the Sanggunian Kabataan president of Barotac Nuevo, Iloilo, where she also became the chairman of the Committee of Youth and Sports. Before joining Pinoy Big Brother: Teen Edition 4, Sarrosa was an accounting student at University of the Philippines Visayas but transferred to the university's Diliman campus in 2013. Sarrosa worked as full-time actress and host while attending classes in the UP College of Mass Communication, where she graduated cum laude with a degree in BA Broadcast Communication.

Sarrosa joined Pinoy Big Brother: Teen Edition 4 in 2012. She was declared the Big Winner after garnering 33.92% percent of votes, winning over her competitors over a wide margin.^[2][3][4]

Sarrosa launched her acting and recording career in the Philippines immediately after winning Pinoy Big Brother. Sarrosa joined the cast of the Filipino television-drama, Kahit Puso'y Masugatan together with Kit Thompson and Yves Flores. Sarrosa became a regular performer for weekend variety program ASAP.^[5]

During that same year, Sarrosa and Young JV released their digital single "Your Name", which ranked Number 1 on MYX.^[6] Later, Sarrosa became the official video jockey or "Anime Jockey" for Hero TV.^[7] Sarrosa was cast as Maristela on the Filipino comedy sitcom TodaMax.^[8][9]

In 2013, Sarrosa released a self-titled album under Star Records with the carrier single "Mr. Kupido", which earned her a nomination for Best New Female Recording Artist during the 9th PMPC Star Awards for Music.^[10] The official music video for her song starred Sarrosa and Enrique Gil. Sarrosa also became the resident judge and host of the Philippine's first cosplay show, iCosplay. Sarrosa then starred in the television series Moon of Desire as Anise and featured in an episode of the anthology series Ipaglaban Mo. She was also the cover girl for the November 2014 issue of FHM Philippines.^[11]

In 2015, Sarrosa became a regular feature and travel host for the morning show Umagang Kay Ganda and became the main female presenter for basketball, volleyball and cheer dance for the National Collegiate Athletic Association during its Season 91 and 92.^[12] Sarrosa also became one of the eight celebrity performers on the second season of the show, Your Face Sounds Familiar.^[13] She was also joined by James Reid and Nadine Lustre for Maalaala Mo Kaya's Valentines episode "Signs of Love" and joined Enrique Gil and Liza Soberano in the television series, Forevermore. She also became a part of the fourth batch of lucky stars in the game show, Kapamilya Deal or No Deal where she donated her winnings to 29 Barangay daycare centers in her home province. In that same year, Sarrosa was relaunched on ASAP as one of Star Magic's Star Magic Angels where she was titled the "Playful Angel".^[14]

In 2016, Sarrosa became the host of Hero's flagship show My Hero Nation. She also launched her second album under Ivory Music & Video entitled Now Playing: Myrtle which was certified gold by the Philippine Association of the Record Industry. She released the song "Mr. Pakipot" as her album's first single. Aside from writing all her songs from her album, she also wrote the songs "Lampara" and "Magkaibang Mundo" together with Jonathan Ong for Jennylyn Mercado's album Ultimate and Maja Salvador's single Haplos.^[15] Sarrosa also became a regular cast member of the family fantasy show My Super D.^[16]

In 2017, Sarrosa starred in the TV film AFGITMOLFM where she was partnered with Richard Juan and Kino Rementilla. She also became the host of another Hero program, Hero Tambayan. She also launched the single "LABEL" featuring Abra, which won the Favorite Music Video Award during the 30th Awit Awards.^[17] Sarrosa was cast as an antagonist in La Luna Sangre before joining the cast of The Good Son. In the same year, she also starred in another controversial Ipaglaban Mo! episode entitled "Tuliro" where she played the role of a schizophrenic.^[18]

Sarrosa was once again the cover girl for the February 2018 issue of FHM Philippines and became the 2018 calendar girl of Ginebra San Miguel. She also became a host of the sports program, The First Five and was the official muse of the Barangay Ginebra San Miguel basketball team in the Philippine Basketball Association.^[19][20]

In 2020, Myrtle moved to GMA Network after eight years of being an ABS-CBN talent. She initially portrayed Judy Enriquez, a main antagonist and family friend in the Philippine drama remake series Nagbabagang Luha (2021). In 2024, she played the lead antagonist role as Portia Terra, the group leader of the rich bullies known as the "Crazy 5," aiming to torment Amira (played by Elle Villanueva) in the afternoon drama revenge series Makiling (2024).

Albums edit

• Myrtle Sarrosa (Self Titled Album)^[21] (2013)
• Now Playing: Myrtle (2016) – Certified Gold Award by PARI in October 2016

Singles edit

• Heartbroken

Song Writer edit

• Lampara – Jennylyn Mercado
• Magkaibang Mundo – Jennylyn Mercado
• Haplos – Maja Salvador^[22]

Film edit

Television edit

• Official website
• Myrtle Sarrosa at IMDb
• Official website of Pinoy Big Brother
• Sparkle profile