The actresses stay focused on their movies. Plus: Tom & Katie, Britney, Jennifer Lopez and more

WIGGING OUT

Hilary Duff goes to the dark side – and gets her hands dirty – as she cohosts MTV's TRL with VJs Damien Fahey and Vanessa Minnillo on Thursday. The singer-actress has been making the rounds to promote her new album, Most Wanted, which was released this week.