Bastian Steel Biography: Albums, Ethnicity, Age, Movies, Height, Parents, Songs
Bastian Bintang Simbolon, widely recognized as Bastian Steel, is an Indonesian singer, actor, and former member of the popular boyband Coboy Junior (CJR), now active in the reformed group TBA.
He first rose to prominence as a child talent through singing competitions and quickly became a teen idol with CJR’s energetic pop hits, albums, and films that dominated Indonesian youth culture in the early 2010s.
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Known for his curly hair, rap and dance skills, and charismatic performances, Bastian has transitioned to solo music, acting in films and series, and group reunions, while building a lasting fanbase through his versatile entertainment career.

Profile
- Full Name: Bastian Bintang Simbolon
- Stage Name: Bastian Steel
- Born: 21 September 1999
- Age: 26 years old
- Birthplace: Bandung, Indonesia
- Nationality: Indonesian
- Occupation: Singer, Actor, And Musician
- Height: 1.70 m
- Parents: Jamian Simbolon, and Monalisa Sitorus
- Siblings: Mavian Steel Simbolon
- Spouse: None
- Partner: Sitha Marino
- Girlfriends: Chelsea Islan (ex), Shafa Harris (ex)
- Children: None
- Relationship: Engaged
- Net Worth: $2 million
Early Life and Education
Bastian Bintang Simbolon was born on September 21, 1999, in Bandung, Indonesia. He grew up with his parents Jamian Simbolon and Monalisa Sitorus. Bastian has a sibling named Mavian Steel Simbolon.
He attended SD Perguruan Advent Bandung for elementary school, SMP Perguruan Advent Jakarta for junior high, briefly homeschooled for one semester during high school, and completed his senior education at SMA Perguruan Advent Jakarta, graduating in 2017. He comes from Batak ethnicity and follows Christianity.
Career
Bastian Steel began his career young by competing in Idola Cilik 2 on RCTI in 2008, reaching the top 12 and gaining early exposure for his singing talent.
He landed a role as Kucai in the 2011 musical drama Laskar Pelangi, where he met future bandmates Aldy Maldini, Iqbaal Ramadhan, and Teuku Rizky Muhammad.
This connection led to the formation of Coboy Junior (CJR) in 2011, where he served as main rapper and dancer, delivering hits like Kamu, Eeeaa, and Terhebat that propelled the group to massive popularity among Indonesian teens through albums, concerts, and TV promotions.
His time with CJR brought key accomplishments, including starring in films such as Coboy Junior: The Movie (2013), Comic 8 (2014), and CJR The Movie: Lawan Rasa Takutmu (2015), which combined music with acting and expanded their fanbase.
Bastian left the group in February 2014 to pursue solo opportunities, releasing tracks like Gadisku and Aku Rindu while venturing into acting in projects like After Met You (2019) and Bima-S (2020).
This shift allowed him to explore more mature roles and independent music away from the boyband format.
Bastian Steel rejoined Teuku Rizky and Aldy Maldini in 2022 to form TBA, releasing contemporary tracks like U-Uh… (2023) that reconnects with longtime fans while showcasing evolved artistry.
He continues releasing solo music, appearing in films and series, and performing live, solidifying his place in Indonesian pop and acting scenes through consistent work and strong fan loyalty.
Social Media
- Instagram Handle: @bastiansteel
- Facebook Handle: Bastian Steel
- Twitter Handle: @bastiansteel
Personal Life
Bastian Bintang Simbolon keeps parts of his private life in the public eye through social media but focuses on his relationships and family.
He got engaged to Sitha Marino (sister of actress Putri Marino) in May 2024 after dating for about four years, often sharing sweet and affectionate moments online that draw fan attention. He has no children.
Bastian previously dated actress Chelsea Islan for around a year (kept private at first) and Shafa Harris, with those relationships making headlines for their public displays.
Filmography
- Coboy Junior: The Movie (2013)
- Comic 8 (2014)
- CJR The Movie: Lawan Rasa Takutmu (2015)
- Ada Cinta di SMA (2016)
- After Met You (2019)
Net Worth
Bastian Steel has an estimated net worth of $2 million. His primary sources of income stem from music releases and royalties through CJR, solo singles, and TBA collaborations, plus acting fees from films and series, live performances, brand endorsements, and social media influence with millions of followers.
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