So that's her secret!
We sat down the super talented starlet for an EXCLUSIVE! interview and picked her brain to find out how exactly she's able to keep looking so darn good!
And what she told us will BLOW your mind!!
Ch-ch-check out her totally revealing vid (above!)
In case you missed it, Fergie also just shared a few exciting new deets about her 'lil bundle of joy!!! CLICK HERE to watch that AH-Mazing vid!