You win some, you lose some.
But it turns out the agency—which counts Gisele Bündchen, Lauren Hutton and Heidi Klum among its pro posers—actually parted ways with the 17-year-old Gossip Girl star last year.
"IMG and Taylor Momsen amicably parted ways over a year ago," an agency spokesperson tells E! News. "We have nothing but the highest regard for her and wish her continued success."
The model managers have traded up, though, because they've now signed on young star...
Now that's something we can sink our teeth into. (Sorry, Tay.)