The American Idol champ was introduced to the Nashville Predators player by mutual friends and after one year of dating, he popped the question (with one pretty awesome ring). Ever since the two lovebirds wed at the Ritz-Carlton Reynolds Plantation in Georgia on July 10, 2010, they haven't stopped smiling or supporting each other – both on ice and on stage. Here, we look back at some of their sweetest on-camera moments to celebrate their four happy years:
Jeff Vinnick / NHLI / Getty; Frederick Breedon / Getty
Brrr! The hockey rink may be cold but proud wife Underwood's heart is warm as she celebrates from the sidelines after Fisher scores his first goal as a Nashville Predator in February 2011.
Taylor Hill / WireImage
In early 2012, Underwood's fourth album Blown Away debuts at No. 1 on the Billboard charts; months later, she and Fisher cuddle at the 40th American Music Awards in L.A., where Blown Away earns the favorite country album award.
Jason Merritt / Getty; Courtesy Mike Fisher
Caught in the act! The duo takes a moment to snap a silly selfie at the 2013 CMT Music Awards in Nashville in June, where the "Blown Away" single scores the coveted video of the year award.
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There's no need for a "best side" when they have each other on the red carpet! Underwood beams at Fisher at April's 11th annual TIME 100 Gala in New York City, where she was honored.