Rumer Willis' Shocking Split: Who Is Derek Richard Thomas, The Musician And Father Of Her Child, Louetta?

As of December 2025, the conversation around Rumer Willis's partner has shifted dramatically from a blossoming new family to a new chapter of single motherhood. The actress and eldest daughter of Hollywood legends Bruce Willis and Demi Moore recently confirmed her split from musician Derek Richard Thomas, the father of her first child. This news, which broke in late 2024, has placed the spotlight squarely on the talented artist and producer who became Bruce Willis's first son-in-law and the co-parent to their daughter.

The relationship between Rumer Willis and Derek Richard Thomas was often kept private, but their journey into parenthood with the arrival of their baby girl was a joyous, public affair celebrated by the entire Willis-Moore clan. Now, as Rumer navigates life as a single mother and co-parent, fans are keen to know more about the man who shared this significant life milestone with her, his career, and the details surrounding their separation after more than two years together.

Rumer Glenn Willis: A Full Profile and Biography

Rumer Glenn Willis is a celebrated American actress, singer, and performer, best known for her roles in films and television, as well as being a member of one of Hollywood's most famous families. Her life has been one of constant public interest, from her early childhood on movie sets to her own successful career path.

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• Full Name: Rumer Glenn Willis
• Date of Birth: August 16, 1988
• Age (as of December 2025): 37
• Place of Birth: Paducah, Kentucky, USA
• Parents: Bruce Willis (Father) and Demi Moore (Mother)
• Siblings: Scout LaRue Willis and Tallulah Belle Willis (Full Sisters), Mabel Ray Willis and Evelyn Penn Willis (Half-sisters from Bruce Willis's marriage to Emma Heming)
• Occupation: Actress, Singer, Dancer
• Notable Work: The House Bunny, Sorority Row, 90210, and winning Season 20 of Dancing with the Stars.
• Partnership Status: Single; confirmed split from Derek Richard Thomas in August 2024.
• Child: Louetta Isley Thomas Willis

Rumer’s career began at an early age, making her film debut at just seven years old alongside her mother, Demi Moore, in the movie Now and Then (1995). She later appeared with her father, Bruce Willis, in Hostage (2005). Her versatility was highlighted when she won the 20th season of the popular reality competition Dancing with the Stars, showcasing her skills beyond acting. Throughout her life, she has been a strong advocate for body positivity and mental health awareness, often sharing candid details about her personal struggles and triumphs.

Derek Richard Thomas: The Musician, Frontman, and Father of Louetta

The man who was Rumer Willis’s partner for a significant chapter of her life is Derek Richard Thomas, a highly accomplished musician, singer, songwriter, and producer. While he gained broader public recognition through his relationship with Rumer, Thomas has a robust and respected career within the indie music scene.

The Rise of Vista Kicks and DRT

Derek Richard Thomas is best known as the lead vocalist and frontman for the rock band Vista Kicks. The band, which blends elements of classic rock, indie pop, and soul, has built a dedicated following and toured extensively. Thomas’s distinctive voice and songwriting talents were central to the band's sound, establishing him as a serious artist long before his celebrity connection.

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In addition to his work with Vista Kicks, Thomas has pursued a solo career, releasing music under his initials, DRT. His solo work showcases his range as a producer and songwriter, often exploring a more intimate and personal sound. This dual career as a band frontman and solo indie musician highlights his deep commitment to his craft, which is a major part of his identity.

The Relationship and The Willis-Moore Family Connection

Rumer and Derek’s relationship was first publicly noted around 2022, and they quickly became inseparable. Their shared passion for music and art formed the foundation of their connection. The news of Rumer's pregnancy with Derek’s child was announced in December 2022, bringing immense joy to both families, particularly Rumer’s father, Bruce Willis, and mother, Demi Moore, who were thrilled to welcome their first grandchild.

Their daughter, Louetta Isley Thomas Willis, was born at home on April 18, 2023. The name, which has a unique and beautiful sound, was a tribute to the couple's shared love of music, evoking a classic, soulful vibe. The arrival of Louetta was a highly publicized event, making Derek Richard Thomas not just Rumer's partner, but a central figure in the Willis-Moore family narrative as the father of Bruce Willis's first grandchild.

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The August 2024 Split and Rumer’s New Single Mom Chapter

In a surprising turn of events that dominated celebrity news headlines in late 2024, Rumer Willis confirmed her separation from Derek Richard Thomas. The news came just over a year after the birth of their daughter, Louetta, and while the couple had appeared to be navigating parenthood together.

The split was confirmed by Rumer herself on social media, where she addressed her new reality head-on. She stated, "I am single momming and co-parenting," officially closing the chapter on her romantic relationship with the musician.

Navigating Co-Parenting and Personal Change

The decision to split was clearly a difficult one, but Rumer has emphasized their commitment to co-parenting Louetta Isley Thomas Willis. This commitment to maintaining a positive, healthy environment for their daughter is a testament to the respect they share, even as a couple apart. For Rumer, the transition has been one of profound change, leading her to make significant life decisions.

Reports indicate that Rumer has relocated from Los Angeles to a more rural, quieter setting in Idaho, a move that aligns with her family's long-standing connection to the state, where her mother, Demi Moore, has a home. This geographical and personal shift underscores her focus on her daughter and her own well-being as she embraces the challenges and rewards of being a single mother. Her candidness about the toll of being a "single mom" has resonated with many of her followers, showcasing a vulnerable and relatable side of the celebrity.

Topical Authority and Key Entities

The story of Rumer Willis and Derek Richard Thomas is a modern celebrity narrative rich with topical entities and LSI keywords that speak to family, career, and personal growth. The core entities include Louetta Isley Thomas Willis, the center of their co-parenting relationship, and the extended family—Bruce Willis, Demi Moore, and her sisters Scout Willis and Tallulah Willis—all of whom remain a strong support system for Rumer. Derek Richard Thomas's musical entities, Vista Kicks and DRT, are also crucial to understanding his identity beyond the relationship. The keywords surrounding the Rumer Willis split, her status as a single mom, and the details of their co-parenting arrangement are the most current and relevant search terms as of late 2024 and 2025.

While Derek Richard Thomas is no longer Rumer Willis's romantic partner, his significance as the father of her child and Bruce Willis's first grandchild is permanent. Both Rumer and Derek are moving forward, dedicated to their roles as parents, and their story remains an important, evolving chapter in the Willis-Moore family saga.