Emily Osment & Jesse McCartney Rock The Z100 Jingle Ball

Emily Osment catches up with Jesse McCartney backstage at Z100′s Jingle Ball 2010 presented by H&M at Madison Square Garden in New York City on Friday night (December 10).

The 19-year-old musician hung out with Jared Eng backstage while watching Bruno Mars on stage and switched up her pretty red number for a glittering gold dress to introduce Michael Buble.

Emily tweeted, “My wittle feet just touched The Madison Square Garden Stage to introduce the love of my li-WAIT. Michael Buble‘s engaged?!? K I die now.”