Has John Mayer set his sights on a beautiful new target? The notorious charmer was spotted chatting up Kim Kardashian in the lobby of Sirius XM here earlier this week. Mayer, who’s been linked to a string of famous women, including Jennifer Aniston and Jessica Simpson, tried his magic on curvy Kim while taking a break from sound checking for his acoustic performance on Sirius’ Coffee House channel. A spy said, “They talked closely for several minutes.” But to no avail — Kardashian is happily dating New Orleans Saint star Reggie Bush.

PHOTOS: KIM KARDASHIAN

MORE: Kim & Khloe Kardashian talk sex, slaps and skin with PopWrap