Bastian Steel

Bastian Bintang Simbolon, known professionally as Bastian Steel, is an Indonesian singer, actor, and presenter who first captured the nation's heart as a child star in the boy band CJR (Coboy Junior). Today, he's a solo artist with a string of catchy pop singles, a growing acting career, and a massive social media presence that keeps him close to millions of fans.

His journey from teen idol to adult entertainer has been marked by a loyal fanbase that has grown up with him. With over 3 million followers on Instagram and 1.5 million on TikTok, Bastian stays connected through music, behind-the-scenes glimpses, and personal moments. His recent horror film role and his engagement to actress Sitha Marino have kept him in the spotlight, showing a more mature side of the former boy band member. [edit]

Born in Jakarta on September 21, 1999, Bastian Bintang Simbolon grew up in the bustling Indonesian capital. Not much is publicly known about his early family life, but his childhood took a dramatic turn when he joined Coboy Junior, the children's boy band that would make him a household name. He was barely a teenager when the group became a cultural phenomenon, and the experience shaped everything that followed.

Performing on stage from such a young age gave Bastian a level of comfort and skill that most artists only develop after years of hard work. By the time he was 17, in 2016, he was already thinking about reinvention. He had released the single 'Juara Di Hati' and was gearing up for his second solo single, telling the press he wanted to change his look and mature his sound. That early drive to evolve, even as a teen, set the stage for his post-CJR career. [edit]

Bastian Steel's career took off as a founding member of CJR, but his solo journey is where he truly found his own voice. His Spotify discography shows a steady stream of releases, starting with 'Lelah' in 2016, followed by 'Aku Rindu' (2017), 'Take It Slow' (2018), 'Gadisku' (2019), and 'All I Want is You' (2021). His music blends Asian pop with contemporary beats, creating a sound that's both catchy and emotionally resonant.

Beyond music, Bastian has branched into acting. In 2025, he appeared in the horror film 'Selepas Tahlil' alongside actress Aghniny Haque, playing siblings who face supernatural terror. The role showed his range and opened new doors in the entertainment industry. He's also worked as a presenter, hosting events and shows, and continues to be a versatile presence across multiple platforms, from music to film to television. [edit]

Bastian Steel's public image is that of a former child star who successfully made the leap to adult entertainer. He's known for his boyish charm, now matured into a more polished and confident persona. His relationship with Sitha Marino has been a major part of his public narrative, with fans following every milestone, from their height difference jokes to their engagement.

His social media voice is warm and approachable, mixing promotional content with personal moments that make fans feel like they're part of his journey. The height difference between him and Sitha has become a running joke that he handles with grace, famously saying 'Cuek aja lagi' (I just don't care) to online critics. This easygoing attitude, combined with his genuine talent, keeps his fanbase loyal and engaged. [edit]

Bastian Steel has cultivated a devoted following that traces its roots back to his days as a child star in the boy band CJR, evolving alongside fans who watched him transition from a precocious performer to a polished solo artist. His social media presence serves as a direct line to millions, where he shares behind-the-scenes glimpses and personal milestones, including his engagement to actress Sitha Marino. While his fanbase is massive, spanning over three million followers on Instagram and 1.5 million on TikTok, there is no formal name documented for this community, nor are there specific organized campaigns or rituals publicly recorded beyond general support. The audience remains deeply engaged with his journey, celebrating his shift from teen idol to adult entertainer through consistent interaction across four major digital platforms. Despite his high visibility in Indonesia's entertainment scene, iFANN's Global Fame Engine has evaluated Bastian Steel but currently does not place him within the published Global Top 1,000 rankings or any Top-100 scope list. Consequently, he holds no numeric placement in the current global hierarchy. This absence of a ranked position reflects the dynamic nature of international fame metrics rather than a lack of popularity, as his influence remains concentrated within his home market and specific genre circles.[edit]

The sharp contrast between Bastian's birth surname 'Simbolon' and his professional moniker 'Steel' created a distinctive identity that fans instantly recognize. His TikTok handle features the cryptic '#Cheeseburger 77', an inside joke that has become a subtle signature for his most dedicated followers. Starting his career at just 10 to 13 years old during the peak CJR years, he stands out as one of Indonesia's youngest successful boy band members. His engagement to Sitha Marino initially sparked rumors of a content gimmick before being confirmed as real, generating significant media attention. In July 2023, a notable chapter unfolded when he formed a new group called TBA alongside two other former CJR members to continue their musical journey together. These verified events mark key transitions in his career, moving from his early days in Coboy Junior to his current status as a solo artist and actor.[edit]

Bastian Steel was born into the Simbolon family in Jakarta, though details about his parents and siblings remain private. His family has been supportive of his entertainment career since he was a child, helping him navigate the demands of fame at a young age.

Today, his household centers around his fiancée, Sitha Marino, the younger sister of actress Putri Marino. The couple has been together since 2020 and got engaged in May 2024. They don't have children yet, but Bastian has spoken about his desire to become the 'backbone of the family', hinting at wedding plans and a future together. [edit]

Bastian Steel is closely associated with his fiancée, Sitha Marino, an actress and the younger sister of Putri Marino. His co-star in 'Selepas Tahlil', Aghniny Haque, is another notable connection. He also remains tied to his former bandmates from CJR, though they've each gone their separate ways. [edit]

Bastian Steel's only publicly documented serious relationship has been with Sitha Marino. They started dating in 2020 and quickly became one of Indonesia's favorite celebrity couples. Their height difference became a talking point, with netizens often teasing Bastian for being shorter, but he took it in stride.

In May 2024, after four years together, Bastian proposed. The engagement was initially thought to be a prank because Sitha had posted a fake engagement video as content, but it turned out to be real. Sitha later admitted she had anxiety after the fake post went viral, but the real proposal put those fears to rest.

As of 2026, the couple remains engaged. They celebrated five years together in November 2025, and Bastian has expressed his hope to marry Sitha and start a family. No other romantic partners have been reported. [edit]

Per iFANN's editorial analysis, Bastian Steel's net worth is estimated at $1.2 Million as of 2026. His financial stability stems from a diverse portfolio that includes music streaming revenue, acting roles, and lucrative brand partnerships driven by his substantial social media reach. Solo singles on Spotify contribute to his earnings, while live performances and event appearances provide additional income streams. His Instagram bio lists a business contact for bookings, signaling a steady flow of paid engagements. With over 3 million Instagram followers and 1.5 million on TikTok, he remains a prime influencer for brands targeting young Indonesian audiences. Managed through starhits.id, he secures opportunities that align with his growing profile. Specific figures remain private, yet his sustained activity in film, music, and digital content points to a robust and expanding financial situation. His upcoming wedding may further open doors for endorsement deals as fans follow his personal milestones.[edit]