7 Shocking Details From Blake Lively’s Star-Studded 37th Birthday Bash Hosted By Taylor Swift

As of December 2025, the buzz surrounding Blake Lively's most recent birthday—her 37th, celebrated on August 25, 2024—is still making headlines, and for good reason. The actress, known for her impeccable style and witty banter with husband Ryan Reynolds, opted for an exceptionally high-profile celebration this year, one that was far from a quiet family affair. Her longtime best friend, pop superstar Taylor Swift, took the reins, hosting a massive, star-studded weekend getaway that instantly became one of the most talked-about celebrity gatherings of the year. This article dives deep into the exclusive details of the extravagant 37th birthday bash, the surprisingly romantic tribute from her husband, and Blake Lively's major professional moves in 2024, including a new hair care line and a high-stakes legal drama that dominated the end of the year. The celebration marked a significant milestone, not just in age, but as a definitive moment of power and friendship in Hollywood.

Blake Lively: A Comprehensive Biography and Profile

Before diving into the details of her latest milestone celebration, here is a complete profile of the actress who has captured the world's attention since her debut as Serena van der Woodsen on Gossip Girl.

• Full Name: Blake Ellender Brown (Professionally known as Blake Lively)
• Date of Birth: August 25, 1987
• Age (as of 2024): 37 years old
• Birthplace: Los Angeles, California, U.S.
• Parents: Ernie Lively (Actor) and Elaine Lively (Talent Manager)
• Spouse: Ryan Reynolds (m. 2012)
• Children: Four daughters (James, Inez, Betty, and a fourth daughter born in 2023 whose name has not been officially confirmed)
• Notable Roles: Gossip Girl (Serena van der Woodsen), The Sisterhood of the Traveling Pants, The Town, A Simple Favor, The Age of Adaline, and the upcoming *It Ends With Us*.
• Business Ventures: Preserve (former lifestyle website), Betty Buzz (non-alcoholic mixer line), Blake Brown (hair care line launched in 2024).

Lively began her career early, but her breakthrough came with the 2007 premiere of Gossip Girl. Since then, she has successfully transitioned from television star to a major film actress and an influential figure in fashion and entrepreneurship.

Inside the Exclusive 37th Birthday Bash: Taylor Swift’s Rhode Island Takeover

For her 37th birthday in August 2024, Blake Lively’s celebration transcended the typical celebrity dinner. The event was a full weekend party hosted by her close friend Taylor Swift at the singer's massive, multi-million dollar mansion in Westerly, Rhode Island.

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The exclusive nature of the gathering and the high-profile guest list cemented its status as one of the year's most newsworthy events. Here are the most intriguing details that emerged from the private celebration:

1. The Host and The Venue: A Pop Culture Power Play

The party’s location at Taylor Swift's iconic Rhode Island estate, known as "Holiday House," instantly elevated the event's profile. Swift, who had recently returned from a leg of her record-breaking Eras Tour, made sure her best friend’s birthday was a spectacular event, showcasing the enduring strength of their friendship. The venue itself is a symbol of exclusivity, rarely used for such large, public-facing gatherings.

2. The Surprise Guest List: A-List Attendance

While the event was private, sources confirmed a number of major celebrity attendees. The most notable inclusion was Taylor Swift's boyfriend, NFL star Travis Kelce, who reportedly helped co-host the weekend festivities. Another major name spotted was actor Bradley Cooper, who is a close friend of Swift and Lively. The combination of Hollywood royalty, music icons, and sports legends in one spot made for an unprecedented A-list gathering.

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3. Ryan Reynolds' Un-Troll-Like Tribute

For years, Ryan Reynolds has been known for his hilarious and often merciless social media "trolling" of Blake Lively on her birthday, posting unflattering photos or cropped images. However, for her 37th, the *Deadpool* star took a surprisingly romantic and heartfelt approach. His 2024 post was a loving tribute, featuring genuinely flattering photos and a sincere message, a significant departure that fans quickly noted and praised. This shift highlighted the couple's enduring love story, even amidst their signature playful rivalry.

Blake Lively’s Power Moves and Legal Drama in Late 2024

The birthday celebration was only one part of a momentous year for Blake Lively. Beyond her personal life, the second half of 2024 saw her make significant career moves, balancing entrepreneurship with high-stakes film projects and unexpected legal challenges.

4. Launching the Blake Brown Hair Care Line

In August 2024, around the time of her birthday, Blake Lively officially debuted her new hair care brand, Blake Brown. This venture is a joint project with Give Back Beauty and marks her return to the beauty and lifestyle space following her previous venture, Preserve. The launch was a strategic move, capitalizing on her status as a long-time hair and beauty icon, instantly creating topical authority in the competitive hair care market.

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5. The Legal Battle Over *It Ends With Us*

In late 2024, just months after her birthday, Lively made headlines for an entirely different reason: a legal dispute. She filed a lawsuit in New York City against Justin Baldoni, her co-star and director on the highly anticipated film adaptation of Colleen Hoover's novel, *It Ends With Us*. The details of the lawsuit, filed in December 2024, are complex, but the news instantly became a major talking point, demonstrating that her professional life remains as dramatic and newsworthy as her on-screen roles. This legal drama added an unexpected layer of complexity to the post-production phase of the $351 million movie.

6. Securing a Major New Rom-Com Role

Amidst the legal filings and business launches, Lively confirmed her next major film project, a new romantic comedy titled *The Survival List*. She is set to team up with major producer Marc Platt, known for hits like *Wicked* and *La La Land*. This project is a clear signal of her continued focus on starring roles and her ability to navigate complex situations while securing high-profile work. The role is a welcome return to the genre for many of her devoted fans.

7. The Enduring Friendship with Taylor Swift

The most significant long-term takeaway from the 37th birthday celebration is the undeniable strength of the Blake Lively and Taylor Swift friendship. Their bond has evolved into one of the most powerful and publicly supportive relationships in the entertainment industry. Swift's decision to host such a lavish and exclusive event for Blake, even amidst her own demanding schedule, speaks volumes. This celebrity friendship, which also includes their partners Ryan Reynolds and Travis Kelce, continues to be a major source of fascination and positive media attention, defining a new era of Hollywood power couples.

Blake Lively’s 37th birthday was more than just a party; it was a snapshot of a woman at the peak of her career, successfully juggling motherhood, entrepreneurship with Blake Brown, blockbuster film roles like *It Ends With Us*, and a dynamic personal life. From the star-studded Rhode Island getaway to the high-profile legal battle, her life in late 2024 proved to be anything but dull.