Billy Joel Is the Ultimate Girl Dad as He Snaps a Photo of Daughters Della and Remy with Taylor Swift Backstage

Billy Joel made sure his daughters had the most memorable night at the Eras Tour over the weekend.

On Monday, Oct. 21, the singer, 75, shared photos on Instagram from his night spent at Taylor Swift's Eras Tour show at the Hard Rock Stadium in Miami. The girl dad of three not only treated his two younger daughters — Della Rose, 9, and Remy Anne, 6 — with floor seats but the family of four got to watch from their seats with Swift's mom Andrea.

In the first snap, Joel, his wife Alexis Roderick and their two daughters smile in their seats alongside Andrea. The "Piano Man" singer proves he's even a Swiftie himself, rocking a black tee that reads, "It's me, hi. I'm the dad. It's me," a play on a lyric from Swift's song "Anti-Hero."

A second picture, which was taken when Joel previously brought his girls to the Eras Tour in Tampa, shows the family of four posing with Swift backstage.

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In his caption, Joel celebrated Swift's "record-breaking concert," which surpassed the seating record that he previously held.

"Our family attended the Taylor Swift concert at Hard Rock Stadium in Miami where Billy Joel/Elton John’s ‘Face to Face’ concert previously held the seating record," he writes. "Taylor’s second concert at Hard Rock Miami set a new record and ushered in a new era at Hard Rock Stadium. We were so happy to be a part of this record-breaking concert!"

"Plus, we got to celebrate with her mama❤️," he proudly adds, referring to Andrea. "Celebrating someone’s success does not negate your own. She is showing our girls all that is possible. Onward and upward #swifties."

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Joel is also a dad to 38-year-old daughter daughter Alexa Ray Joel, whom he shares with ex Christie Brinkley.

In July, Joel played the final gig of his record-breaking residency at Madison Square Garden in New York City — a sold-out performance that marked his 150th lifetime show there. Despite his own performance and a plethora of special guests, it was his daughters Della and Remy who stole the show.

Dressed in matching striped pink, purple and white fringe dresses, the girls joined their dad on stage for hugs as he received his honorary banner and then stuck around as he performed his 1978 upbeat hit "My Life."

While they both started by sitting on Joel's piano and waving at the crowd, Della soon jumped on stage and began singing and dancing along to the song, even getting on the mic with Joel at one point.