Waist training is becoming extremely popular with celebrities in Hollywood these days. Many of the most popular celebs have posted selfies on Instagram while wearing a waist trainer. Some have even touted the benefits to paparazzi. 

Here are 8 celebrities who have been spotted wearing a waist trainer: 

1. Snooki

A photo posted by Nicole "Snooki" Polizzi (@snookinic) on Nov 17, 2014 at 2:02pm PST

2. Jwow

A photo posted by Jenni JWOWW (@jwoww) on Feb 2, 2015 at 10:16am PST

3. Lily James

Lily admitted to wearing a corset while playing Cinderella in the new Disney film. 

A photo posted by @lilyjamesofficial on Mar 2, 2015 at 12:57am PST

 4. Jessica Alba

Jessica told journalists that she wore a waist trainer for 3 months to help her get her figure back after giving birth. "I wore a double corset day and night for three months," Alba told Net-A-Porter magazine, "It was sweaty, but worth it."

A photo posted by Jessica Alba (@jessicaalba) on Jun 23, 2015 at 12:11pm PDT

5. Luisa Zissman

A photo posted by Luisa Zissman (@luisazissman) on Jun 23, 2015 at 10:13am PDT

6. Kim Kardashian

I'm really obsessed with waist training! Thank you @premadonna87 for my new waist shapers! #whatsawaist

A photo posted by Kim Kardashian West (@kimkardashian) on Oct 29, 2014 at 9:23am PDT

7. Khloe Kardashian

A photo posted by Khloé (@khloekardashian) on Sep 24, 2015 at 12:56pm PDT

8. Kylie Jenner

A photo posted by King Kylie (@kyliejenner) on Sep 8, 2015 at 12:06pm PDT

Still not convinced? Here are 6 more reasons to try a waist trainer!