Homewrecker World Tour Continues

8/8/2008 10:10 AM PDT BY TMZ STAFF
Good luck getting back in the house now, Balthazar.

Soon-to-be-single Balthazar Getty went shopping in Malibu with current fling Sienna Miller, no doubt looking for clothes Sienna won't wear next time they go traveling together.

For a man trying to win back his wife, he sure has a strange way of going about it.