Kelly Brook … sexy and single again! British model-turned-actress Kelly Brook has ended her four-year relationship with Hollywood heartthrob Billy Zane.

Brook, 28, appeared in public without her engagement ring for the first time at Sunday (20Apr08) night’s BAFTA TV awards.

A source tells British newspaper The Sun, “After much soul-searching, Kelly decided that Billy is not the man she wants to marry and has called off the engagement.