Mariah Carey's 'All I Want for Christmas is You' is already one of the all-time best Christmas songs ever. (Don't challenge me on this, OK?) Now combine that with a video of Mariah and her adorable twins singing and harmonizing to it and you can melt even the grinchiest of grinch hearts. Check out the clip below.

Carey posted the video yesterday (11/28) featuring 7-year-old Moroccan and Monroe singing along to her 1994 hit.

(OMG, seriously? Are they really 7 already?)

“Roc & Roe have been practicing the background vocals to ‘All I Want For Christmas Is You,’ we’re gonna take this one step at a time— we’re very excited about it! It’s our first video doing this! It’s festive, Cmon!!” she posted on Twitter.

According to People, Carey recently admitted that she goes a bit overboard on Christmas.

“I should have a Christmas budget,” Carey laughed “People don’t realize how much it costs to go and do the whole Christmas experience, the extravaganza that I do, darling.”