Demi Lovato: Fox Upfronts 2013 & Topshop Event

Demi Lovato arrives at the 2013 Fox Upfront Presentation held at the Beacon Theatre on Monday afternoon (May 13) in New York City.

The 20-year-old singer later met up with Fifth Harmony at a Topshop event.

PHOTOS: Check out the latest pics of Demi Lovato

The week before, Demi was spotted arriving at LAX Airport to catch her flight to the East Coast.

Watch Demi‘s taped performance of “Heart Attack” on Ellen below!

35+ pics inside of Demi Lovato at two events in NYC…