★★★½ (3½ out of 4)
Forget any ideas you have about celebrity documentaries that build monuments to the perfection of their subject. “My Mom Jayne,” now on HBO/Max, brings us two flesh-and-blood women in all their flawed humanity. The first is Mariska Hargitay, Golden Globe best actress winner for the long-running series “Law and Order: Special Victims Unit,” and the other is her mother Jayne Mansfield, 1957 Golden Globe winner for New Star of the Year.