All 5 of Bruce Willis' daughters, from age 4 to 30, spent New Year's Eve together: 'I love you with every fiber of my being'

Age is just a number -- especially when it comes to sisters.

All five of Bruce Willis' daughters, who range in age from 4 to 30 years old, spent New Year's Eve together: Willis and ex-wife Demi Moore are parents to Rumer, 30, Scout, 27, and Tallulah Belle, 24, while he shares 4-year-old Eveleyn and 6-year-old Mabel with wife Emma Heming.

Rumer, 30, penned a lengthy message alongside the photo, signing it from "Your Big Sister."

"You are my best friends for life. You make me a better version of myself everyday and I am so excited to embark on another year with you," she wrote. "I couldn’t ask for more magical and special souls to do life with. I love you all with every fiber of my being and will be there to protect you day or night forever."

While post-divorce family dynamics are usually complicated, Willis and Moore both strived to maintain harmony as they moved on from their 13-year marriage. After Moore went on to marry Ashton Kutcher, her kids referred to him as "MOD," short for "My Other Dad."

“We talk about everything,” Kutcher said at the time of his relationship with Moore's children. “It’s amazing.”

While Kutcher and Moore eventually called it quits in 2013, Willis is approaching his ten-year wedding anniversary with Heming. The two wed in 2009.

In July 2018, Moore surprised Willis by delivering a speech during his Comedy Central roast: "You've been a great friend, a great father and easily one of my top three husbands," she said.