5 Must-Know Details About The New SNL Tonight: Host, Musical Guest, And The Star-Studded December Lineup

The answer you've been searching for is here: As of Wednesday, December 10, 2025, *Saturday Night Live* is gearing up for a brand-new episode this weekend, continuing its stellar run of the season. Following a memorable show last week, the iconic comedy institution is set to deliver another fresh, live broadcast from Studio 8H in New York City, featuring a critically acclaimed actor making his hosting debut and a beloved British musician returning to the stage. This weekend's episode is part of a blockbuster December run that will close out the year with some of the biggest names in entertainment.

This week’s installment, airing on Saturday, December 13, 2025, promises a deep dive into the world of film and music, bringing a fresh perspective to the late-night sketch comedy landscape. Fans can expect the usual mix of political satire, pop culture parodies, and original sketches, all guided by a host known for his dramatic chops now venturing into live comedy. The final stretch of the year is always a highlight, and this December is proving to be one of the most exciting in recent memory.

The Definitive SNL Schedule: Host and Musical Guest Details for December 2025

The final month of 2025 is stacked with talent, featuring a mix of returning legends and first-time hosts. The schedule is designed to build momentum, culminating in a massive, highly-anticipated season-ending episode. Here is the full breakdown of the confirmed new episodes:

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• December 6, 2025 (Most Recent New Episode): Host: Melissa McCarthy, Musical Guest: Dijon. This episode saw McCarthy, a celebrated member of the *SNL* Five-Timers Club, make a triumphant return, delivering high-energy comedy and bringing back some fan-favorite characters.
• December 13, 2025 (The Next New Episode): Host: Josh O’Connor, Musical Guest: Lily Allen. This is the episode airing this Saturday. O'Connor is making his hosting debut, while Allen is returning after a previous appearance.
• December 20, 2025 (The Season Finale): Host: Ariana Grande, Musical Guest: Cher. A massive, diva-sized finale to close out the year, featuring two global icons. Grande will be hosting for the third time, and Cher is set to make a highly-anticipated appearance as the musical guest.

Spotlight on the December 13th Episode: Josh O’Connor and Lily Allen

The upcoming show on December 13th is a major event for several reasons, primarily due to the debut of its host, Josh O’Connor, and the return of the dynamic musical guest, Lily Allen. This pairing is a perfect example of *SNL*'s commitment to blending prestigious dramatic talent with cutting-edge musical artists.

Host: Josh O’Connor (First Time Host)

Josh O’Connor is an English actor who has garnered significant critical acclaim for his intense and nuanced performances. While primarily known for drama, his foray into live sketch comedy is a major draw for fans curious to see his comedic range. His biography profile is impressive:

• Full Name: Joshua Colin O'Connor
• Date of Birth: May 20, 1990
• Place of Birth: Southampton, Hampshire, England
• Career Highlights: He is perhaps best known for portraying a young Prince Charles in the Netflix series *The Crown*, a role for which he won a Primetime Emmy Award for Outstanding Lead Actor in a Drama Series.
• Notable Filmography: *God's Own Country*, *Emma.*, *Challengers* (2024), and the upcoming *The History of Sound*.
• Intention for SNL: O'Connor's serious acting background suggests that the sketches may lean into character-driven comedy, perhaps parodying his dramatic roles or exploring his versatile acting skills. His presence adds a layer of prestige to the episode.

Musical Guest: Lily Allen (Returning Guest)

Lily Allen is a prominent English singer-songwriter and actress known for her sharp, witty lyrics and genre-blending music that often incorporates elements of pop, grime, and reggae. Her return to the *SNL* stage is highly anticipated by her dedicated fanbase.

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• Full Name: Lily Rose Beatrice Cooper (née Allen)
• Date of Birth: May 2, 1985
• Place of Birth: Hammersmith, London, England
• Career Highlights: Allen rose to fame with her debut album *Alright, Still* and hit singles like "Smile" and "Fear." She has also achieved success on the West End stage, winning an Olivier Award for her performance in the play *2:22 A Ghost Story*.
• Musical Focus: Fans are eager to hear performances from her most recent musical projects or perhaps a nostalgic return to some of her classic, socially conscious pop anthems. Her stage presence is always electrifying, promising two unforgettable performances.

The Blockbuster Season Finale: Ariana Grande and Cher

The final episode of the year, airing on December 20, 2025, is shaping up to be one of the most talked-about shows of the entire season. The pairing of Ariana Grande as host and the legendary Cher as the musical guest is a historic moment for *Saturday Night Live*, bringing together two generations of pop royalty.

Ariana Grande, celebrated for her vocal prowess and acting roles in films like *Wicked: For Good*, is no stranger to Studio 8H. Her previous appearances have showcased her impressive comedic timing and ability to nail musical impressions. This episode marks her third time hosting, cementing her status as a reliable and charismatic performer on the show. The sketches are expected to lean heavily on her musical background, celebrity status, and involvement in major Hollywood projects.

The inclusion of Cher as the musical guest is a monumental booking. The iconic singer, actress, and "Goddess of Pop" will undoubtedly deliver a show-stopping performance. Her appearance is a rare treat for *SNL* viewers and will likely feature tracks from her latest work or perhaps a surprise holiday-themed performance given the time of year. The combined star power of Grande and Cher ensures that the December 20th episode will be a must-watch television event, generating significant social media buzz and high ratings.

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Topical Authority: Why the December SNL Run Matters

The December run of *Saturday Night Live* episodes often serves as a barometer for the season's success and is a critical period for the show's cast and writers. These episodes are traditionally the highest-rated of the year, driven by holiday excitement and major celebrity bookings. The use of high-profile hosts like Melissa McCarthy, a member of the elite Five-Timers Club, and the debut of prestigious actors like Josh O’Connor, demonstrates the show's continued ability to attract A-list talent.

The December 2025 lineup is particularly rich in relevant entities, including the current cast members (such as Kenan Thompson, Bowen Yang, and Ego Nwodim), the show's creator Lorne Michaels, and the historical venue of 30 Rockefeller Plaza. The blend of seasoned comedy veterans, fresh dramatic talent, and global music stars ensures that the show remains at the forefront of the cultural conversation, providing fresh material for the coveted "Weekend Update" segment and viral online sketches. The final episodes of the year often feature surprise celebrity cameos, holiday-themed sketches, and emotional goodbyes, making the lead-up to the season break a truly special time for *SNL* fans worldwide.