Is Elin Woods really going to stick with her disgraced husband Tiger? Why?

How did flirty single gal Kate Gosselin (wearing a sexy miniskirt, downing four glasses of wine!) wow the crowd at NYC hotspot Butter Feb. 5?

What's up with Kristen Cavallari and NFL hunk Mark Sanchez? And what about Rihanna's newest fling, Matt Kemp?

Us Weekly's Senior Editor Ian Drew -- and special guest, Idol alum Kimberly Caldwell! -- round up the latest "Hot Stuff" from this week's issue of the magazine.

Watch the sizzling video now!