The former couple was spotted arriving at a lawyer's office in Brentwood, reported E! online.
Klum sported black boots, black pants and a red and black T-shirt with sunglasses and a big purse. Meanwhile, Kristen donned jeans, a black shirt and a sweatshirt.
After their meeting, Klum and Kristen got into two separate cars and drove off in their respective vehicles.
The couple split last week.