Klum and her husband make a buss stop at a Los Angeles park. Plus: Michelle Williams, Tori Spelling, Reese Witherspoon and more

LIVE LONG & PROSPER

Reese Witherspoon (in a Rodarte dress) gets into the spirit of her animated, 3-D movie, Monsters vs. Aliens, at the Gibson Amphitheatre on Sunday in Universal City, Calif. "They don't make a lot of movies with a woman at the center of it," Witherspoon tells PEOPLE of her role as a giant woman. "It was a great opportunity to create a female super hero."

See all of Reese's looks along her Monsters vs. Aliens promotional tour.