Diet Pepsi (song)

"Diet Pepsi" is a song by American singer Addison Rae. It was released on August 9, 2024, through Columbia Records, marking her first major label release, as the lead single from Rae's debut studio album, Addison (2025). "Diet Pepsi" received widespread critical acclaim and charted in several countries worldwide. The synth-pop and alternative pop song is about "the immortal feeling of being young and in love."

"Diet Pepsi" emerged as Rae's early breakthrough, peaking within the top ten of the charts in Ireland, Singapore, and the United Kingdom, and within the top 20 in Australia, New Zealand, and the Philippines. In the United States, it became Rae's first entry on the Billboard Hot 100 where it peaked at number 54. Critics praised Rae's vocal performance and use of modulation, and compared the song favorably to the early work of Lana Del Rey. "Diet Pepsi" appeared on numerous critics' and music publications' rankings of the best songs of 2024.