Novak Djokovic engaged to longtime girlfriend!

Novak Djokovic's new fiancee, Jelena Ristic, often cheers on the world No. 1 at his tennis matches

Tennis' world No. 1 announced his engagement to longtime girlfriend of 8 years and fellow Serb Jelena Ristic, telling the world via his Facebook page and Twitter. "Meet my fiancée and future wife :) So happy! Thank you for wonderful wishes #NoleFam and friends!"

Accompanying that tweet was a picture of Ristic kissing Djokovic on the cheek.

No wedding date was given.