I’ve never seen her perform live, but have known of her music since 2014 and the haunting song “Summertime Sadness”.
To see what she looked like on stage in 2014 in a white blouse and cutoff jeans (with the album track synced in, replacing the lesser quality of the live sound)....
https://www.youtube.com/watch?v=JgWO8vk6xqo
9,257,824 views
Singing, smoking, and chewing gum, Sexy!
Lana Del Rey - Summertime Sadness Live - Bråvalla Festival 2014-06-26
Lana Del Rey Performs “Video Games” | Letterman Feb. 22, 2012
https://www.youtube.com/watch?v=2r3qSKV8TZw