Olivia Rodrigo is staying true to her essence of punk rock princess.
On Wednesday, the Grammy-winning singer took fans by surprise when she joined Billy Joel on stage during his concert at Madison Square Garden in New York City.
For the appearance, she wore a vintage Vivienne Westwood corset, sourced from Tab Vintage, with an orange tartan wool miniskirt paired with tights, black combat boots and a black choker. She styled her…