Hart, meanwhile, shared a tribute of his own. The 45-year-old off-road truck racer and former motocross star posted a beaming home video of Pink, hanging out on the deck of a boat while dancing and drinking from a red plastic cup.
"15 years w/ this amazing woman! Damn, baby!!!!!" Hart wrote. "There is no other woman that I would want to go through this crazy world with than you."
"Thanks for being a great friend, wife, mother, and person," he added. "Throw your 🖕🏻 in the air."
The joyful posts come after a challenging year for the couple's family. Amid the coronavirus pandemic, Pink and their son Jameson contracted COVID-19, which proved to be a truly harrowing battle that they eventually managed to overcome.
See the video below to see more on the enduring couple.