Malvagna is in police custody and is expected to be arraigned later Monday.
The second photo shows a small, red scar just below her left eyebrow.
Im good, the singer writes in a brief message accompanying the photos.
Bebe Rexha Instagram
In the first photo, Rexha smiles and gives a thumbs-up gesture.
The Rooftop venue offers a popular slate of summer concerts.
Upcoming shows include Nickel Creek, Bryson Tiller, T-Pain, Barenaked Ladies, and others.
