The Surprising Truth About Kellin Quinn's Height: Is The Sleeping With Sirens Frontman Really 5'8"?

Kellin Quinn, the dynamic and highly recognizable lead vocalist of the post-hardcore band Sleeping with Sirens, is officially listed as 5 feet 8 inches (173 cm) tall. This height measurement, which places him slightly below the average height for an American male, has been a consistent point of curiosity among his dedicated fanbase and is often discussed in relation to his powerful, soaring vocal range and commanding stage presence. The singer, who has built a prolific career on blending raw emotion with melodic rock, continues to draw attention not just for his music but for his personal profile details, which are always kept updated in this December 2025 article.

The fascination with the Sleeping with Sirens frontman’s stature stems from his high-energy performances and the visual contrast when he collaborates with taller musicians in the rock and metalcore scene, such as Machine Gun Kelly or Vic Fuentes of Pierce the Veil. While a few sources occasionally cite his height as 5'9" or even 6'0", the widely accepted and most frequently reported figure remains 5'8", a measurement that perfectly aligns with his powerful yet compact on-stage persona.

Kellin Quinn Bostwick: A Complete Biography & Profile

Kellin Quinn Bostwick is more than just a vocalist; he is a multi-talented American musician, songwriter, and entrepreneur who has been a defining voice in the post-hardcore genre for over a decade. His career highlights include founding Sleeping with Sirens and lending his signature voice to numerous high-profile musical collaborations. Here is a detailed look at his professional and personal profile:

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• Full Name: Kellin Quinn Bostwick
• Date of Birth: April 24, 1986
• Age (as of December 2025): 39 years old
• Place of Birth: Medford, Oregon, United States
• Nationality: American
• Primary Occupation: Singer, Musician, Songwriter, Actor (minor roles)
• Band: Sleeping with Sirens (Lead Vocalist, Keyboardist)
• Genre: Post-Hardcore, Metalcore, Emo, Pop Rock
• Height: 5 feet 8 inches (173 cm)
• Weight: Approximately 72 kg (159 lbs)
• Wife: Katelynne Quinn (married since 2013)
• Daughter: Copeland Quinn
• Estimated Net Worth: $2 million

The Truth About Kellin Quinn's Height: Why 5'8" is the Most Cited Figure

The question "how tall is Kellin Quinn" has become a perennial search query, a common occurrence for celebrities whose perceived size on a large stage or through a camera lens can be deceiving. While some fan speculation attempts to inflate his height, the consensus among reliable celebrity metrics sites and fan-based discussions points squarely to 5 feet 8 inches (5'8").

Addressing the Height Discrepancy

There is a minor debate surrounding Kellin Quinn's actual height, with figures ranging from 5'8" to 6'0" appearing across various platforms. The reason for this variation is typically threefold:

1. Stage Presence and Energy: Kellin Quinn is known for his incredibly energetic and dynamic performance style. This high-octane stage presence makes him appear larger than life, leading fans to overestimate his actual stature.
2. Footwear: Like many musicians, Quinn often wears boots or shoes with thicker soles during concerts, which can easily add one to two inches to his frame, visually bridging the gap between 5'8" and 5'10".
3. Photographic Distortion: Photos taken at different angles, especially when standing next to very tall collaborators (such as Machine Gun Kelly, who is 6'4"), can exaggerate the height difference, or conversely, angles from below can make him appear taller.

Ultimately, the 5'8" measurement is the one most consistently supported by comparative analysis with other celebrities of known heights, solidifying it as the most accurate answer to the "how tall is Kellin Quinn" question.

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Beyond the Mic Stand: Kellin Quinn's Career and Collaborations

Kellin Quinn’s height may be a point of discussion, but his career achievements and massive influence on the post-hardcore and emo-rock genres are undeniable. His work with Sleeping with Sirens is the cornerstone of his legacy, but his collaborations have cemented his status as a key figure in modern rock music.

Sleeping with Sirens: A Post-Hardcore Powerhouse

Formed in 2009, Sleeping with Sirens quickly rose to prominence, largely due to Kellin Quinn’s incredible vocal versatility, which allowed him to seamlessly transition between powerful, melodic singing and intense, raw screamo. Key albums like With Ears To See and Eyes To Hear and Let's Cheers To This established their signature sound. The band, which currently includes members Jack Fowler, Nick Martin, and Justin Hills, has produced massive hits that are essential listening for any fan of the genre, including:

• "If You Can't Hang" (from Let's Cheers To This)
• "King for a Day" (a collaboration with Pierce the Veil)
• "Kick Me" (from Madness)
• "Do It Now Remember It Later"

The band’s most recent efforts, such as the 2022 album Complete Collapse, continue to showcase their evolution while maintaining the emotional depth and vocal intensity that fans expect.

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High-Profile Musical Collaborations

Kellin Quinn is highly sought after for guest vocal spots, a testament to his unique vocal timbre and ability to adapt to various sub-genres. These collaborations often serve as LSI (Latent Semantic Indexing) entities, linking his work across the broader music ecosystem. Notable features include:

• Pierce the Veil: "King for a Day" (arguably his most famous feature)
• Good Charlotte: "Keep Swingin'"
• Machine Gun Kelly (MGK): "Swing Life Away" (Rise Against cover)
• Palaye Royale: "Ma Chérie"
• At The Skylines: "The Most Evil Thing (Is a Woman)"

In addition to his band work and features, Quinn has explored other creative avenues, including the musical project Downer Inc and an unexpected collaboration with Aaron Marsh on the project Haunted Mouths, further demonstrating his range beyond the post-hardcore label.

Latest Updates on Sleeping with Sirens and Kellin Quinn in Late 2024

As of late 2024, Kellin Quinn’s focus has temporarily shifted from the stage to his family, providing a fresh and poignant update for fans. In October, Sleeping with Sirens was forced to cancel their planned October DON'T LET THE PARTY DIE TOUR and several festival appearances, including dropping off the When We Were Young lineup.

The cancellation was announced as a family emergency, with Quinn later revealing that his wife, Katelynne Quinn, required urgent surgery. This decision, though disappointing for fans, highlighted Quinn's dedication to his family, putting his personal life ahead of his professional commitments. The band issued a statement expressing their regret and promising to return to the road as soon as possible, with Kellin Quinn opting to stay by his wife's side during her health struggles.

This recent development ensures that any search for "Kellin Quinn news" in late 2024 and early 2025 will be dominated by updates on his wife's health and the band's rescheduled tour plans, proving that while his height is a fixed number, his life and career are constantly evolving.