The model and TV host took to her Instagram story to share a video of herself undergoing the cosmetic procedure.
“BOTOXED MY ARMPITS. TRULY BEST MOVE I HAVE EVER MADE,” she wrote over the clip.
“I can wear silk again without soaking woohoo!” she added.
Teigen can be heard saying in the video that the procedure “really isn’t anything,” referring to the injection.
Teigen, known for letting fans witness the more intimate moments in her life, revealed in 2017 that she previously had liposuction done on her armpits, People magazine reported.