Sia's 'Santa's Coming for Us' Jingles to No. 1 on AC Chart

Rich Fury/Invision/AP
Sia performs at Shining a Light: A Concert for Progress on Race in America at the Shrine Auditorium on Nov. 18, 2015 in Los Angeles. 

The song is the first holiday hit to top the tally this holiday season.

Sia's "Santa's Coming for Us" tops Billboard's Adult Contemporary chart (dated Dec. 23), becoming the 21st holiday No. 1 on the ranking since 2000.

The song, whose video stars, among others, Kristen Bell, Henry Winkler and J.B. Smoove, is additionally Sia's first AC No. 1. She previously peaked at a No. 2 high in February with "Cheap Thrills," featuring Sean Paul.

Meanwhile, "Santa" reigns for the second time on AC, as one song with his (first) name in its title previously led: Mariah Carey's "Oh Santa!," for four weeks in 2010-11. ("Santa" hits No. 1 ahead of his annual global tour in the early hours of Dec. 25.)

Here's an updated recap of all the holiday songs that have dashed to the top of the AC chart. (None did so until the 2000-01 holiday season, around the time that a majority of AC stations began playing seasonal songs 24/7 between Thanksgiving and Christmas annually.)

Holiday No. 1s on Billboard's Adult Contemporary Chart
Title, Artist, Chart Date Reached No. 1, Weeks at No. 1
"Santa's Coming for Us," Sia, Dec. 23, 2017, one (to date)
"Baby, It's Cold Outside," Brett Eldredge feat. Meghan Trainor, Jan. 7, 2017, one
"Have Yourself a Merry Little Christmas," Josh Groban, Dec. 24, 2016, one
"This Christmas," Train, Dec. 17, 2016, two
"This Christmas," Seal, Jan. 2, 2016, one
"Baby It's Cold Outside," Idina Menzel duet with Michael Buble, Dec. 20, 2014, three
"Underneath the Tree," Kelly Clarkson, Dec. 2, 2013, four
"Let It Snow, Let It Snow, Let It Snow," Rod Stewart, Dec. 8, 2012, five
"All I Want for Christmas Is You," Michael Buble, Dec. 10, 2011, five
"Oh Santa!," Mariah Carey, Dec. 18, 2010, four
"A Baby Changes Everything," Faith Hill, Dec. 20, 2008, three
"I'll Be Home for Christmas," Josh Groban, Dec. 22, 2007, three
"Frosty the Snowman," Kimberley Locke, Dec. 15, 2007, one
"It Came Upon a Midnight Clear," Daryl Hall John Oates, Dec. 30, 2006, two
"Jingle Bells," Kimberley Locke, Dec. 23, 2006, one
"Up on the Housetop," Kimberley Locke, Dec. 17, 2005, four
"Believe," Josh Groban, Dec. 11, 2004, five
"Sending You a Little Christmas," Jim Brickman with Kristy Starling, Jan. 3, 2004, one
"O Holy Night," Josh Groban, Dec. 28, 2002, two
"Simple Things," Jim Brickman feat. Rebecca Lynn Howard, Jan. 5, 2002, one
"The Christmas Shoes," NewSong, Jan. 6, 2001, one