Leslie Mann, Melissa McCarthy, and Paul Rudd in This Is 40 (2012)

Robert Smigel and Annie Mumolo in This Is 40 (2012)

Judd Apatow, Paul Rudd, Chris O'Dowd, and Lena Dunham in This Is 40 (2012)

Albert Brooks and Leslie Mann in This Is 40 (2012)

Leslie Mann and Megan Fox in This Is 40 (2012)

Paul Rudd and Chris O'Dowd in This Is 40 (2012)

Leslie Mann and Paul Rudd in This Is 40 (2012)

Paul Rudd and Robert Smigel in This Is 40 (2012)

Leslie Mann, Paul Rudd, Maude Apatow, and Iris Apatow in This Is 40 (2012)

Paul Rudd, Aubrey Plaza, and Lena Dunham at an event for This Is 40 (2012)

Annie Mumolo at an event for This Is 40 (2012)

Paul Rudd, Chris O'Dowd, and Lena Dunham in This Is 40 (2012)

Maude Apatow and Iris Apatow in This Is 40 (2012)

Albert Brooks and Judd Apatow in This Is 40 (2012)