Witherspoon carries a heavy load on the L.A. set of her new film. Plus: Tom & Katie, Ashlee Simpson and more

PREGNANT PAUSE

A week after filing for divorce from husband Ryan Phillippe, Reese Witherspoon gets back to work Tuesday – carrying some faux baby weight – on the Los Angeles set of her new film, Rendition. The thriller also stars single (and sexy) actor Jake Gyllenhaal.