Myrtle rose to prominence after being declared the Pinoy Big Brother: Teen Edition 4 Big Winner. She was formerly a talent of Star Magic but recently signed a contract under GMA.
After PBB, she ventured into acting. Her first acting appearance was via Kahit Puso’y Masugatan while she recently appeared on TV via an episode of GMA’s Tadhana.

Aside from acting, she’s also popular in the world of cosplaying. During the height of the pandemic, she became well-known for playing video games.
Because being an avid gamer, she was able to go to places like London and Singapore. She was paid as well for endorsement.
However, because of video games, she lost her love life. She admitted that she broke up with her last ex-boyfriend because of video games.
She stressed that it’s not like she didn’t love the guy but she only realized that there are things more valuable. Myrtle Sarrosa considers coffee as gasoline to her body to make her active. There were even times she did not sleep because of playing excessively.