'Gossip Girl' star Leighton Meester has said that she was shocked when Prince serenaded her at a recent concert.

Speaking on 'Late Night With Jimmy Fallon', the actress and singer said: "I couldn't even hold my cup afterward - I was breathing heavily."

"I was wearing rain boots - I was not ready at all! Everyone should come prepared."

She also joked: "I don't feel like I can go again unless I get serenaded."