Congrats to her, it actually is a massive achievement as 86 million likes is not easy to achieve. I think it's because of how huge she is in latin america.
Even if it doesn't translate into album sales its a record that she now holds and it's a fantastic record to have.
Queen of FB- Shakira
Queen of Youtube- Rihanna
Queen of Twitter- Katy
3 queens
She's gonna be the first person to have 100 million fans 
Literally 1 billion+ people use Facebook.