Katherine Heigl and Seth Rogen in Knocked Up (2007)

Seth Rogen, Martin Starr, Jonah Hill, and Charlyne Yi in Knocked Up (2007)

Judd Apatow, Jay Baruchel, and Seth Rogen in Knocked Up (2007)

Jonah Hill at an event for Knocked Up (2007)

Katherine Heigl, Leslie Mann, and Seth Rogen in Knocked Up (2007)

Jay Baruchel, Seth Rogen, Martin Starr, Jason Segel, and Jonah Hill in Knocked Up (2007)

Harold Ramis and Seth Rogen in Knocked Up (2007)

Katherine Heigl and Leslie Mann in Knocked Up (2007)

Seth Rogen and Paul Rudd in Knocked Up (2007)

Leslie Mann, Paul Rudd, Maude Apatow, and Iris Apatow in Knocked Up (2007)

Leslie Mann and Paul Rudd in Knocked Up (2007)

Seth Rogen and Iris Apatow in Knocked Up (2007)

Katherine Heigl, Seth Rogen, and Jonah Hill in Knocked Up (2007)

Katherine Heigl, Jay Baruchel, Seth Rogen, Paul Rudd, Jason Segel, and Jonah Hill in Knocked Up (2007)