The Full List: Every A-List Celebrity Guest Who Shocked Fans During Kai Cenat's Record-Shattering Mafiathon 2

The Mafiathon 2 event, which took place in November 2024, stands as one of the most monumental and star-studded live-streaming events in history, and even today, on December 17, 2025, the sheer scale of its celebrity guest list continues to be a topic of discussion among streaming fans and media outlets. The month-long subathon saw Twitch megastar Kai Cenat reclaim the all-time Twitch subscriber record, but the true spectacle was the parade of A-list musicians, actors, athletes, and fellow creators who dropped by to participate in hilariously chaotic and unforgettable segments.

This deep dive provides the most comprehensive and updated recap of every major celebrity and personality who made an appearance during the record-breaking 30-day marathon, detailing the viral moments that cemented Mafiathon 2 as a cultural phenomenon that transcended the world of live-streaming. The strategic inclusion of these high-profile guests was crucial to the stream's success, generating massive media coverage and drawing in millions of viewers who were eager to see which star would appear next.

The Star-Studded Lineup: A Complete List of Mafiathon 2 Celebrity Guests

Kai Cenat’s Mafiathon 2 was a masterclass in cross-platform entertainment, blending the raw, unscripted energy of a Twitch stream with the star power of a major network television show. The guest list reads like a who's who of pop culture, with appearances that spanned multiple genres and generations. The following is a detailed list of the most notable celebrity guests who joined the stream, confirming the event’s massive topical authority and reach.

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• Snoop Dogg: The legendary rapper made two separate appearances (on November 3 and 24, 2024), providing one of the most viral moments when he and Kai Cenat famously hotboxed a van. His involvement underlined the stream's mainstream appeal and generated significant media buzz.
• Lil Uzi Vert: The rap superstar kicked off the Mafiathon 2 on November 1, 2024, setting an immediate high bar for the event's star power and generating immense hype for the month ahead.
• Kevin Hart: The comedian and actor joined the stream for a special Thanksgiving segment, bringing his signature high-energy comedy and contributing to a major holiday viewership boost.
• Kyrie Irving: The NBA star made a surprise appearance, engaging with Kai Cenat in a segment that drew in a massive audience from the sports world, showcasing the stream's crossover appeal.
• GloRilla: The rapper joined Kai for a memorable segment where they shared a meal, creating a more intimate and personal moment that fans widely enjoyed.
• Kodak Black: The rapper's appearance was another major highlight, contributing to the stream's consistent ability to attract top-tier hip-hop talent.
• Miranda Cosgrove: In a truly unexpected and nostalgic moment, the actress famous for her role as Carly Shay on iCarly appeared. This crossover from traditional television to the streaming world was a huge talking point.
• Ibai Llanos: The appearance of the Spanish Twitch giant, Ibai, underscored the global reach of the Mafiathon 2, bridging the gap between the English-speaking and Spanish-speaking streaming communities.
• Marshmello: The world-renowned DJ and music producer joined the stream, adding a significant electronic music presence to the diverse lineup of guests.
• Lizzo and SZA: Both major music artists appeared on the stream, further solidifying the Mafiathon 2's status as a must-see event for fans of contemporary music.
• DDG: The rapper and fellow YouTuber's pop-in generated its own news cycle, showcasing the collaborative nature of the content creator community.
• G Herbo: Another prominent hip-hop figure who contributed to the stream's strong ties to the music industry.
• Denzel Curry: The rapper's segment added another layer of musical diversity and celebrity influence to the marathon event.
• Ray J: The musician and reality star also made an appearance, adding a touch of reality television celebrity to the mix.

Breaking the Internet: The Most Viral Moments and Highlights

The Mafiathon 2 was more than just a list of names; it was a non-stop content machine that produced countless viral clips and memes. The curated segments and the organic chaos that ensued with the celebrity guests were instrumental in driving the stream's record-breaking viewership and subscriber count.

The entire 30-day extravaganza began with a bang, featuring a full-on marching band. This elaborate opening set the tone for the high-production value that would define the rest of the stream, with the band notably playing the iconic iCarly theme song, which foreshadowed Miranda Cosgrove's later appearance.

The Snoop Dogg and Lil Uzi Vert Effect

The appearance of Snoop Dogg was arguably the biggest draw. The segment where the two were seen hotboxing a van became an instant classic, dominating social media trends and news headlines for days. This moment perfectly encapsulated the event's ability to blend high-profile celebrity culture with the raw, unfiltered nature of live-streaming.

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Similarly, Lil Uzi Vert’s opening day presence was a crucial momentum builder. By securing such a massive name right at the start, Kai Cenat signaled to the world that Mafiathon 2 was a serious, large-scale production, not just a typical subathon.

Crossover Appeal: From Nickelodeon to the NBA

The diversity of the guests was a strategic move to maximize topical authority and reach. The appearance of Miranda Cosgrove was a stroke of genius, tapping into a deep well of millennial and Gen Z nostalgia. The segment was an unexpected delight for fans who grew up watching her on Nickelodeon.

The inclusion of NBA star Kyrie Irving also brought in an entirely different demographic, attracting millions of sports fans who might not typically tune into a Twitch stream. This deliberate genre-hopping allowed Kai Cenat to break out of the traditional "gaming streamer" box and establish himself as a mainstream entertainment figure.

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The Legacy of Mafiathon 2: Records, Awards, and the Future

Mafiathon 2 was not just a successful stream; it was a record-shattering cultural event. By the time the 30-day marathon concluded, Kai Cenat had reclaimed the all-time Twitch subscriber record, a monumental achievement in the live-streaming world. The event generated an astonishing 82.8 million hours watched and cemented his position as the "King of Twitch."

The stream's success was recognized with a Streamer Awards nomination, further validating its cultural impact. This marathon was a testament to the power of the subathon format, which encourages viewers to subscribe for continuous, high-stakes content.

The hype surrounding Mafiathon 2 has naturally led to intense speculation about future events. While Mafiathon 2 is a completed chapter, the concept continues with Mafiathon 3, which is scheduled to take place in September 2025. This upcoming event is already generating buzz, with early reports indicating a goal of reaching 1,000,000 subscribers, continuing the legacy of record-breaking entertainment established by its predecessor.

The legacy of Mafiathon 2, driven by its unparalleled list of celebrity guests and viral moments, serves as a blueprint for how a live-stream can become a global entertainment spectacle. The event successfully leveraged the drawing power of figures like Kevin Hart, Snoop Dogg, and Lil Uzi Vert to create a unique, month-long cultural moment that will be studied by content creators for years to come.