The 34-year-old kept her baby bump hidden in a white minidress with a V-neckline.
Kerr's appearance at the meet and greet event comes just a few weeks after she confirmed that she and her husband, Evan Spiegel are expecting a baby together.
This will be the couple's first child, however, she also shares six-year-old son Flynn with her ex-husband Orlando Bloom.
“Miranda, Evan and Flynn are looking forward to welcoming the newest member of their family,” Kerr's spokesperson Us Weekly on November 15.
Kerr and Spiegel, 27, tied the knot this May.