Top This, Gossip Girl: Penn and Blake to Get Hitched?

Chicago Sun-Times entertainment columnist Bill Zwecker quotes an unnamed source predicting that Gossip Girl cast members and real-life lovebirds Penn Badgley and Blake Lively may get engaged soon.

And in nastier gossip news, Gossip Girl's Kelly Rutherford suffered another blow in the fallout from her recent divorce, with ex Daniel Giersch rumored to be writing a tell-all book about the ordeal.

Sources: BuddyTVChicago Sun-Times