Celebrity Celebrity Family Celebrity Kids Billy Joel Celebrates Lookalike Daughter Della's 9th Birthday: 'Watching You Grow and Shine, Keeps Us All in Awe' After the 'Piano Man' singer shared an Instagram tribute on her birthday, fans pointed out she’s a spitting image of her dad By Brian Anthony Hernandez Brian Anthony Hernandez Brian Anthony Hernandez, who has nearly 20 years of journalism experience, joined PEOPLE as a writer-editor in 2023. Brian previously worked for Bustle, Billboard, Forbes, MTV, Mashable and Men's Health. People Editorial Guidelines Published on August 12, 2024 05:55PM EDT Close Billy Joel in 1978; his daughter Della Rose in 2024. Photo: Michael Putland/Getty; Billy Joel/Instagram The Piano Man is also a family man! Billy Joel, 75, shared new photos of his daughter Della Rose to celebrate her 9th birthday on Monday, Aug. 12, telling her about how much she means to him in a sweet Instagram post. “Happy 9th Birthday, Della Rose. Watching you grow and shine, keeps us all in awe. We love you 🩷,” the five-time Grammy winner captioned the photos of Della hanging out with baby goats and horses. The “Tell Her About It” singer's followers quickly pointed out in the comments that Della is a spitting image of her famous father. “Omgoodness, she looks just like you,” one fan replied, while another reiterated the lookalike claims with, “She is your double!” Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from celebrity news to compelling human interest stories. The Sweetest Photos of Billy Joel & His Two Youngest Daughters (Who've Loved Joining Dad on Stage!) Della is Joel’s middle child of his three daughters. He shares Della and Remy Anne, 6, with wife Alexis Roderick. He also shares an adult daughter Alexa Ray, 38, with ex-wife Christie Brinkley. Joel’s followers also raved about Della's stage presence. Della occasionally joins her dad onstage during his performances, most recently in Cardiff, Wales, on Aug. 9 as well as on July 25 in New York City at the final show of his record-breaking residency at Madison Square Garden. She’s been joining him onstage since she was at least 3 years old. Della Rose joins Billy Joel onstage in 2018 when she was 3. Myrna M. Suarez/Getty Billy Joel's Daughters Steal the Show as He Ends Record-Breaking Madison Square Garden Residency with 150th Concert At the N.Y.C. show, Della and Remy joined their dad onstage as he performed “My Life,” with Della singing along on the mic at times. “I guess it’s her life now. Thanks, girls!” Joel told the star-studded crowd, which included former President Bill Clinton, Jimmy Fallon and Paul Rudd.