Michael Bublé (pictured) and WHAM! enjoyed a very merry week indeed, as they are #1 on the Official U.K. Albums and Singles charts with Christmas and "Last Christmas," respectively.

Bublé's Christmas (Reprise) begins a seventh non-consecutive week at the top since its 2011 release, nudging Sabrina Carpenter's Short n' Sweet (Island) back to #2.

SZA's SOS (RCA) rockets 29 spots to #3 thanks to the long-awaited release of its deluxe edition, dubbed Lana. Chappell Roan's The Rise and Fall of a Midwest Princess (Island) slips 3-4, while Charli xcx's BRAT (Atlantic) rises 7-5.

The album tally also features Bing Crosby's Christmas Classics at #18, Nat King Cole's The Christmas Song at #32 and Carpenter's fruitcake EP at #35.

Additionally, Lana Del Rey's Born to Die (#36) and Amy Winehouse's Back to Black (#40) rebound into the Top 40 thanks to holiday sales and streams.

As for "Last Christmas," the Epic track starts a 10th week atop the Singles chart following its second consecutive year as the U.K.'s Christmas #1.

In a holiday-heavy Top 5, Mariah Carey's "All I Want for Christmas Is You" (Columbia) jumps 3-2, Tom Grennan's "It Can't Be Christmas" (Insanity) is up 4-3, Brenda Lee's "Rockin' Around the Christmas Tree" (MCA) moves 6-4 and Bobby Helms' "Jingle Bell Rock" (MCA) rises 8-5.

Laufey has three Christmas songs in the Top 40: "Christmas Magic" at #13, "Winter Wonderland" at #27 and "Santa Baby" at #35. Overall, 37 of the Top 40 tunes are holiday-themed, matching a record set in 2023.