Kristin Cavallari feels like a new woman!
The mother of three took to Instagram on Sunday to show off her insane bikini body in a tiny black two-piece.
EXCLUSIVE: Kristin Cavallari Is Giving Heidi Montag Mom Advice: 'I'm So Excited for Her'
"Feeling like a new woman #ISurvivedTheDetox," Cavallari captioned the snap.
WATCH: Kristin Cavallari's Husband Jay Cutler Leaves Football for TV Job at Fox Sports
Just a couple of months ago, the former Hills star found herself shutting down pregnancy rumors after sharing a few snaps from a tropical getaway with her husband, Jay Cutler.
See more in the video below.