The Daily Mail — The 26-year-old hitmaker seemed to play it cool as she attended the star-studded birthday bash, which featured appearances by inspirations to two of her most memorable songs. more info

TMZ — Drake celebrated his BIG 3-0 Sunday night with a stacked guest list, but it was exes Taylor Swift and John Mayer who stuck out.  Taylor rolled in to Delilah's in WeHo flanked by squad members Karlie Kloss and the… more info

PopSugar — Love may be in the air for Demi Lovato. The 24-year-old "Confident" singer was spotted hanging out at Catch LA with none other than 39-year-old John Mayer on Saturday night, according to Us Weekly. While the stars arrived separately, sources say tha... more info

ET Online — Mayer is making a comeback! more info

Idolator — Naturally. more info

Stereogum — St. Paul, MN hosted an official Prince tribute concert last night, and although John Mayer and Christina Aguilera both had to cancel their appearances, the show went on as planned. Stevie Wonder and Chaka Khan both performed, and together they sang �... more info

PopSugar UK — Joe Jonas participated in an explosive Reddit AMA this week, and in addition to talking about his celebrity man crushes and penis size, the DNCE frontman also revealed that he lost his virginity to ex-girlfriend Ashley Greene. "I lost my virginity t... more info

PopSugar — Joe Jonas participated in an explosive Reddit AMA this week, and in addition to talking about his celebrity man crushes and penis size, the DNCE frontman also revealed that he lost his virginity to ex-girlfriend Ashley Greene. "I lost my virginity to... more info

JamBase — Bob Weir's Campfire Tour continued in Los Angeles on Monday night, where he was joined by a pair of musical all-stars. more info

Stereogum — Alicia Keys promoted her upcoming new album, Here, with a free concert in Times Square over the weekend. She brought out some special guests during the show, including Jay Z, Nas, Q-Tip, and John Mayer. Jay joined her for “Empire State Of Mind,” ... more info