Hollywood's Hottest Moms

Liv Tyler and four-year-old son Milo make the most of mother-son time in New York City, even in the winter. Like many Hollywood moms, Tyler took a step back from acting for a few years to raise her son, but now that he's a little older she's ready to be back at work. "I really wanted to take that time off, and I did," she said. "Now I've never wanted to work more in my entire life."