Rihanna closed out the North American leg of her Loud tour in style on Sunday (24Jul11) - she thrilled concert-goers in New York with a surprise appearance by...
The close friends joined forces to perform All Of The Lights and a snippet of their Jay-Z collaboration Run This Town.
Rihanna later took to her Twitter.com blog to thank her devotees for their support throughout her latest road trek.
She wrote, "#LOUDtour N.America was phenomenal!!! Truly an unforgettable experience! Never felt this close to you...thank you lovers!"