2022–present: Hot City and subsequent releases and reissues
During 2022 and 2023, McKee re-recorded songs that were intended for her 2013 album with Epic Records. This came after joining TikTok, where she received many questions about the scrapped project from her followers, questions that had been recurrent on social networks and internet forums over the years. In some interviews, McKee talked about finding an internet forum which had a thread extending to about 500 pages discussing that era and songs, where it was found to have been titled Hot City. In June 2023, she released "SLAY," a song originally recorded ten years prior that had leaked online after being performed live on Karmin's Pulses Tour. The re-recorded Hot City album was officially announced on April 24, 2024, alongside another single release, "Jenny's Got a Boyfriend." In the time between "SLAY" and "Jenny's Got a Boyfriend," two other singles were released by McKee, "Hot City" and "Don't Get Mad Get Famous," attached to the 2013 era and present in the rerecorded album. The LP includes 15 songs from the Epic sessions, as well as a new song titled "Snatched," recorded in 2018, featuring drag queen artist Priyanka. The re-recorded project includes the original version of McKee's 2013 single "American Girl," which was supposed to be the lead single to the original album, as well as two other standalone singles that were later released, "Sleepwalker," and "Stars In Your Heart”. Hot City was released independently on May 31, 2024, as McKee’s second studio album. "Forever 21," another track sung in 2013 on Karmin's Pulses Tour and one that also leaked online, and had since been hyped by McKee's fans, was offered as a ready-to-download track during the preorder for Hot City, exclusively through Apple Music. It was also revealed that the album version of "Don't Get Mad Get Famous," released earlier as a solo single, would feature Canadian artist Sophie Powers. Since its release, Hot City has been met with positive reviews, being described as a "treasure trove for pop fans."
McKee stated that the main goal behind the re-recording and releasing Hot City, besides responding to requests from fans for an official release of the demos from her discarded era, which led her to "give the people what they want," was her own desire to see the scrapped tracks get such treatment. In her words, "I was so heartbroken when I had to shelve this album and I really didn't think there was any hope for it to see the light of the day, which is devastating because they were some of my favorite songs I had ever written for myself." She also stated that Epic Records had not made any objection to her independent release, but rather have were "very cooperative and cool" to her, adding that "now we're kinda partnering on [the album]." During the Hot City press interviews, she stated there was already a successor to her sophomore LP and she had "written probably 75% percent of it", adding that it is a "left turn from Hot City," "darker" and "really raw and emotional.”
During Hot City promotional campaign, McKee also released, on July 4, 2024, a re-edited EP for her 2013 single, American Girl, including a remix by duo of DJs Oliver, previously released through SoundCloud and also uploaded to McKee's official YouTube account. Four days after the release of American Girl EP, the singer released a music video for the longtime fan-favourite track "Forever 21," premiering it through Nylon, and then uploading it to her official YouTube account. To promote Hot City, McKee served as a supporting act for the Canadian artist Kiesza's Dancing and Crying Tour on the Pacific Coast of the United States and Canada in October 2024. One day before McKee joined this trek, she performed at No Creeps! Another F*cking Music Industry Event at the Bourbon Room in Hollywood, Los Angeles, in order to advocating for safety, mental health and inclusivity in the music industry. On October 9, 2024, McKee made available for pre-order both CD and vinyl formats off Hot City, the former through her official webstore, and the latter through Graffiti Records website. After the vinyl sold out, a second batch was made available through McKee's official webstore.
On Halloween's Eve of 2024, McKee released an EP to her 2013 single, "Sleepwalker," including a remix featuring American indie artist Mothica. The EP, named Sleepwalker (Resurrected), features five previously released McKee's collaborations under collective musician band project LVCRFT. Following that, on December 18, 2024, a Christmas EP titled after her 2014 single, "California Winter," featuring the track in its original form and also as a re-recorded duet with American singer, actor, and comedian Matt Rogers, plus other four Christmas tracks, including a cover of Canadian singer and songwriter Leonard Cohen's 1984 single and posterior signature hit, "Hallelujah," was released on streaming music services. Among the other tracks from California Winter EP, there are two cover versions of the 1944 Christmas classic ballad first introduced by Judy Garland, "Have Yourself a Merry Little Christmas," one close to Garland's original version, and another with expletive lyrics, that also appear on that version title.
On February 21, 2025, in the same vein of her previously released American Girl EP (see above), McKee released a correspondent extended play for longtime fan-favourite leaked demo turned rerecorded album track on Hot City, "Forever 21." Following the same pattern of the EP off her only one single released through Epic Records, Forever 21 EP features several different versions of this single, such as instrumental, a cappella, unplugged, sped up and slow down ones. On June 20, 2025, McKee released a remix for the closing track, the ballad "Easy," made by South African music artist Dreamkid. An extended edit of Bombastic, subtitled "Play Hard Edition, was released July 4, 2025. On September 17, 2025, the single "Runaways" by The Midnight was released, with McKee featured as a vocalist.
In October 2025, McKee featured on Retrograde The Musical's release of "Libra (Fairest of Them All)", collaborating alongside Jesse Saint John and Drew Louis.