Jenny Mollen is on the mend after undergoing vaginoplasty. The “City of Likes” author exclusively told Page Six that she got the “insane” procedure done “on a whim” during a spa trip to Austria with some pals. “But then I had to commit to the bit,” Mollen, 47, joked while chatting with us Wednesday night at the Cinema Society screening of “Influenced” in New York City. Jenny Mollen (pictured above in 2024) told Page Six that she recently underwent elective surgery. Getty Images for alice + olivia The actress (seen here in April) had vaginoplasty, a procedure she called “insane.” Getty Images The American Society of Plastic Surgeons  describes vaginoplasty (also known as posterior colporrhaphy), as “a procedure designed to tighten the vagina .” “I noticed, ‘Why is everyone’s vagina so even?'” Mollen said of her thought process going into the procedure, admitting she was comparing her “uneven vagina” to other females.…