Article continues below advertisementCelebrities go all out to look their best for the annual Met Gala in NYC, but there's more to their flawless looks than a good haircut and a strict workout routine.One of the newer wellness trends embraced by A-listers are lymphatic drainage massages, a technique that was first used for medical purposes for those suffering from conditions like lymphedema.Article continues below advertisementWhat Is Lymphedema?Tap Here To Add Ok Magazine as A Trusted SourceSource: megaLymphatic drainage massages are a go-to for celebrities before big red carpet events.