JamBase — Watch Rihanna and Neil Young guest with Paul McCartney and other highlights from Saturday at Weekend Two of Desert Trip. more info

Consequence of Sound — “We finally found someone under the age of 50." more info

Idolator — “We finally found someone under the age of 50,”  Paul McCartney joked. more info

L.A. Times - Entertainment — When Rihanna joined Paul McCartney on stage at Desert Trip on Saturday night, half the audience cheered in immediate recognition, others had to be told by their kids or grandkids seated next to them who the mystery lady was. Earlier, when Neil Young ... more info

L.A. Times - Pop & Hiss — When Rihanna joined Paul McCartney on stage at Desert Trip on Saturday night, half the audience cheered in immediate recognition, others had to be told by their kids or grandkids seated next to them who the mystery lady was. Earlier, when Neil Young ... more info

Stereogum — The festival affectionally known as “Oldchella” was jolted with a blast of youthful energy when Rihanna took the stage in Indio, California last night. During Paul McCartney’s headlining set at the second weekend of Desert Trip, RiRi made a sur... more info

TMZ — Rihanna surprised everyone at Paul McCartney's desert show Saturday night ... joining him onstage for their hit song 'FourFiveSeconds.' Paul was in the middle of his set during weekend 2 of the Desert Trip Festival outside of L.A. when RiRi entered�... more info

NME — The pop star turned up for weekend two of the Californian festival more info

Idolator — Another surprise cover. more info

The Mirror — The 28-year-old star is spending time with her family in Barbados more info