Art Garfunkel made a surprise appearance on the Madison Square Garden stage Friday night, joining Charlie Puth for a ...

Charlie Puth invited several guests onstage on Friday at MSG. One special performance included a duet of "The Boxer" with Art Garfunkel.

Charlie Puth‘s night at Madison Square Garden featured a handful of big names as surprise guests, and Billboard was on the ...

In his online role as "Professor Puth," Charlie Puth is usually the teacher, but Friday night at New York's Madison Square ...

Kirk Franklin rounded out the concert's special appearances, performing a trio of songs with Puth.

Art Garfunkel made a surprise appearance at Madison Square Garden on May 29, joining Charlie Puth onstage for a duet of "The ...