ADVERTISEMENTFemale celebrities have been keeping up with their cosmetic routines lately, and many are now reflecting on the days before Botox lip flips entered their beauty playbooks. The Cleveland Clinic describes the lip flip as a nonsurgical treatment that creates the illusion of fuller lips. Unlike lip fillers, which involve injecting hyaluronic acid directly into the lips for instant volume, a lip flip uses Botox to relax muscles in the upper lip. Lately, more celebrities have opened up about this faster, subtler alternative to fillers, sharing glam wins and not-so-glam lip mishaps with their fans. As the lip flip trend continues to surge, here’s a look at 30 famous faces who tried it out.