If you've ever discovered something about your parents as an adult, you know just what Whitney Thore is going through on My Big Fat Fabulous Life.

In the exclusive sneak peek above, the TLC reality star is going through her family's storage when she makes a shocking discovery. You know just how close Whitney is with her parents, so you know it's something big that rocks her to her core. It's so shocking, she almost hits one of the cameraman who is there to document her life for My Big Fat Fabulous Life.

"I see my mom and dad's wedding album, which I have never seen," Whitney says in the clip above.