On November 2, 2016, Mars performed several songs for Radio 1 at the BBC's Live Lounge, including "24K Magic", " Treasure", " Locked Out of Heaven" and a cover of Adele's " All I Ask". Young Girls" did not enter the Dutch Top 40, but peaked at number 18 on the Tipparade singles chart. With estimated sales of over 26 million albums and 200 million singles worldwide, Mars is one of the best-selling artists of all time. American record producer and DJ Skrillex said he and Mars were creating something "different, awesome and next level and sounds like nothing else that's happened before". On October 3, 2016, Mars announced the release of the album's first single "24K Magic" via Instagram, dubbing it "the invitation to the party".

Mars performed "24K Magic" and "Chunky" live for the first time on Saturday Night Live on October 15, 2016; his performance received positive reactions from critics and the audience. The remix of "Finesse" features American rapper Cardi B with a flow and rhyme resembling a "turn-of-the-1990s cadence", as well as Salt-N-Pepa and Heavy D styles. Seven months after its release, equivalent album units exceeded 200,000, being certified twice platinum by the Syndicat National de l'Édition Phonographique (SNEP). Fauntleroy said; "Bruno is the core of those songs and Phil is a huge part of the reason those songs sound like that.a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad "British certifications – Bruno Mars". He said Mars gave him "a lot of trust to do my thing" and added Mars "is not shy in front of the camera; he's always moving and dancing, as long as you have the right music playing". Products labelled '*item fulfilled by Exertis on behalf of hmv' will be supplied to you directly by Exertis via their approved couriers. The track received generally favorable reviews from critics; some considered it to be the soundtrack to school dances while others said its lyrics are sexually driven.

Its singles "Just the Way You Are" and "Grenade" topped the charts in the US, Australia, Canada, New Zealand and the UK, and have been certified 13 times platinum and diamond, respectively, by the RIAA. Bubble Butt" did not enter the Dutch Top 40, but peaked at number two on the Tipparade singles chart. On December 2, 2016, Mars performed at the 2016 Jingle Bell Ball, an annually held event promoted by 102. The Observer 's Kitty Empire rated the album three stars out of five and wrote, "Anyone in need of indulgent escapism will find plenty here.During a photography season, Feng was unaware of the reason for Mars "throwing up the number 24 with his fingers".

In Japan, the album debuted at number six on the Oricon Albums Chart with first-week sales of 20,000 copies.Later the same month, Mars performed "24K Magic" on the Norwegian television talk show Skavlan and the following day at the 2016 NRJ Music Awards. The song topped the Billboard Hot 100 chart, becoming Mars's seventh number-one single in the United States, and peaked at number two on the Philippine Hot 100. Its equivalent album units of 600,000 in the UK, earned a double platinum certification from the British Phonographic Industry (BPI). Mars to be interested in different musical eras, different production approaches and different singing voices without veering into chaos".