Leslie Mann Celebrates 42nd Birthday in Vegas with Her Family!

Leslie Mann poses for a photo with her family while attending a performance of Michael Jackson ONE by Cirque du Soleil on Tuesday (March 25) at the Mandalay Bay Resort and Casino in Las Vegas.

The Other Woman actress was celebrating her 42nd birthday alongside her filmmaker hubby Judd Apatow and their daughters Maude and Iris, as well as some other young friends.

This is the second Cirque du Soleil show in Vegas that the family has seen this week. They also checked out The Beatles LOVE two days beforehand.