New Delhi, Dec. 20 -- American singer-songwriter Mariah Carey's reputation as the "Queen of Christmas" can largely be traced back to her 1994 classic, "All I Want for Christmas Is You." The festive anthem not only defined her holiday legacy but also became one of the most lucrative songs of her career.

According to Forbes, the track earned Carey about $60 million in royalties following its release. Over the years, its value has continued to rise, contributing millions more to her earnings annually. On December 13, the song marked another milestone by becoming the first holiday track to surpass 2 billion streams on Spotify.

"This is beyond incredible," Carey said in a statement to PEOPLE. "I'm so grateful to all Spotify listeners around ...