Total gradient effect, total metal, total youth style. It could only mean one thing. Erika has gone full metal with the Ray-Ban RB 3539 styles.
Details
Model: RB3539 90221U 54-19
Frame material: Metal
Frame color: Matte Blue
Lenses: Blue Light & Grey
Shape: Phantos
Size lens-bridge: 54 19
Temple Length: 145