Gwyneth Paltrow cuts off a school bus on her Vespa

Gwyneth Paltrow, patron saint of gluten-free living and Tracy Anderson workout videos, has been caught on video cutting off a school bus in Los Angeles.

Last week, the 40-year-old actress and husband Chris Martin were picking up their kids from school on Vespas (only in L.A.) when Paltrow darted in front of a school bus into traffic.

The school bus braked just in time, narrowly missing the mother of two and her daughter Apple. Martin waited for the bus to stop and drove on with their son Moses.

TMZ has dubbed Paltrow "A-Hole Driver of the Year." The actress' camp has no comment.