Want to see how Jimmy Fallon and Heidi Klum roll? Look no further! On Wednesday's Tonight Show, the late-night host invited the America's Got Talent judge to form a human wheel with him—just like Halle Berry did last month! But Jimmy and Heidi couldn't get down to business without their bodies being in perfect alignment.

What's bothering Rihanna? The usually smiley Stay songstress has been spotted looking pretty down in the dumps of late.