What is going on with Nick Lachey's Love Life?

Apparently Nick is finished with Lizzie Arnold I guess on February 2, Nick completely ignored Lizzie and spent the night doing shots with his buddies at LA hotspot 'Lobby.' That lines up with the story of Nick and CaCee as they were reportedly caught in January in a public embrace.   An item from Life & Style reported that Nick and Jess' BFF CaCee Cobb were canoodling at Level 3 nightclub in LA on Jan. 29. So - is it over between Nick and Lizzie?  Hard to say - if the story is accurate and the pair have a history that goes back five years, it won't take much to spark again.

Source: National Ledger