>> reporter: now many celebs are sharing about it openly, like former watch error ret clare crawley.n't believe i got to that point. >> reporter: former nascar racetrack queen danica patrick. >> i thought to myself, i want to share this if it makes a difference. >> reporter: model and cookbook author chrissy teigen on instagram, "i'm getting my boobs out. i like to be able to zip a dress in my size, lay on my belly with pure comfort." many more coming clean. >> enough is enough. it all has to come out. >> reporter: blac chyna said her kids inspired her. >> i don't have to worry about my 10-year-old son seeing some craziness about his mom on the internet. or my 6-year-old daughter seeing something crazy. i just really want to be a positive impact for them. like the stability, like the strongness. i just want to be there for my kids. >> reporter: the other big milestones in her life-changing journey, getting baptized last year. and later, becoming dr. angela white. she attended seminary and got a ph.d. in liberal arts. blac chyna's enlarged company, the american society of plastic surg