After the release of the yet-unannounced album's first three singles, Lisa launched the Lisa Fan Meetup in Asia 2024 tour, which spanned five cities including Singapore, Bangkok, Jakarta, Kaohsiung, and Hong Kong, in November 2024. On November 11, during the first night of the fan meet tour, a snippet of a cinematic teaser video, which featured Lisa playing guitar against a desolate cyberpunk landscape and summoning a ray of purple light from the sky, was released. The teaser's caption revealed one letter of the project's title. Further segments of the teaser were later released during the tour, each revealing another letter of the project's name. After the final Hong Kong show on November 19, Lisa premiered the full three-minute trailer and officially announced that her first studio album
Alter Ego would be released on February 28, 2025. She also revealed the album's cover art, which featured a close-up photo of Lisa in a black hood bringing her manicured hand to her face. On January 6, 2025, Lisa posted a short video clip of a text exchange featuring an "alter ego" with the caption: "Roxi has entered the chat." The video ended by pinpointing a distinct location corresponding to the character, while she unveiled the description and album cover art for the character on her website; she repeated the same process to reveal the remaining alter egos Sunni, Kiki, Speedi, and Vixi. The company's first release on March 24 was a limited edition 56-page graphic novel titled
Alter-Ego: The Official Comic, a companion piece to the album authored by Lisa and illustrated by Minomiyabi. On February 21, Lisa posted a video revealing the album tracklist, in which she takes a seat with her different alter egos over a snippet of the song "Fxck Up the World".
Alter Ego was released on February 28 as a standard 12-track album on streaming, digital platforms, CD and vinyl as well as a 15-track album with three bonus tracks on streaming and digital platforms only. It was available across nine CD variants, all containing collectibles with some being randomised, six deluxe boxed sets containing a CD and a branded piece of clothing, and two vinyl variants. The album's release date coincided with the running airdates of the
third season of the
HBO TV series
The White Lotus, where Lisa made her acting debut. As a result, Lisa has extensively promoted her album together with her role on the series, providing interviews with online and radio talk shows, such as
Hot Ones, Woody FM,
Vogue ''What's in My Bag?
, and BBC Radio 1. She has also been featured on interviews with publications including Vanity Fair, The Wall Street Journal, Elle, and Billboard'', the last of which featured her on ten different covers around the world as the publication's first-ever global cover star. On May 29, a documentary film about Lisa was announced to be in production from Sony Music Vision. Directed by Sue Kim, the film chronicles the artist's life and solo career for the previous year.
Singles Five singles supported
Alter Ego. The lead single, "
Rockstar", was released on June 27, 2024. The song debuted at number four on the
Billboard Global 200 and number one on the
Global Excl. US, earning Lisa her third top-ten hit on the former and her first chart-topper on the latter. It also became her highest-charting entry on the US
Billboard Hot 100 at number 70. The album's second single, "
New Woman" featuring
Rosalía, was released on August 15. It debuted at number 15 on the
Billboard Global 200, number six on the Global Excl. US, becoming Lisa's fourth top-ten hit, and number 97 on the US
Billboard Hot 100. The third single, "
Moonlit Floor (Kiss Me)", was released on October 3. The song peaked at number 24 on the
Billboard Global 200 The fourth single, "
Born Again" featuring
Doja Cat and
Raye, was released on February 6, 2025. It became Lisa's first number one on the
Official Thailand Chart and her highest-charting song on the
Billboard Hot 100 at number 68, It peaked at number two on the Official Thailand Chart, Following the music video release, it peaked at number six on the Official Thailand Chart. The track became her second number one on the Official Thailand Chart She presented both songs and "Moonlit Floor (Kiss Me)" before its release as a headliner for the
Global Citizen Festival in
New York City on September 28. On October 15, she performed "Rockstar" and "Moonlit Floor (Kiss Me)" at the
Victoria's Secret Fashion Show 2024. She also showcased the three singles on the Lisa Fan Meetup in Asia 2024 tour, which comprised five shows between November 11 and 19. On New Year's Eve, Lisa performed "Rockstar", "New Woman", and the "Santa Baby" remix of "Moonlit Floor (Kiss Me)" as a headliner for Amazing Thailand Countdown 2025 in
Bangkok. She performed songs from
Alter Ego at the
Coachella Valley Music and Arts Festival on April 11 and 18, 2025. ==Critical reception==