Kate Gosselin had oddly spiked eyebrows and a noticeably smoother face as she ran errands in Pennsylvania on Monday.
The reason? After comparing before and after photos (left), plastic surgeons tell UsMagazine.com the reality mom, 35, had botox treatments gone wrong.
PHOTOS: How Kate's look -- and hair! -- have changed over the years
"She looked much better in the earlier photo: great hair, nice smile and a normal brow position," says Dr. Michael Olding, the chief of The George Washington University's division of plastic surgery.
In the "after" photo, she "has the typical appearance of Dysport or Botox poorly placed in the space between the brows where frown lines occur," adds Olding. But because Gosselin didn't have any injectables put in her forehead, "the lateral part of her brow is elevated in an abnormally high position, which my patients refer to as McDonald's arches!"
PHOTOS: Jon and Kate's year of crazy drama
Explains NYC-based Dr. Steven Pearlman, "The center of her eyebrows are dropped and spread, which can happen from Botox treatment of the forehead frown lines."
Pearlman believes Gosselin may have been injected in the shape of a "V" on her forehead, meaning the muscles near her temple weren't affected "so they over act, giving this Jack Nicholson type of look! Her upper eyelids look a little hollow, which can be as a result of the brows being pulled upward."
PHOTOS: Plastic surgery nightmares
Gosselin's surgeon is slammed by ScientificSkin.com owner Dr. Kenneth Beer: "This is a bad injection technique with poor placement. The injections were done in a cookbook pattern with no consideration for her particular anatomy. Her outer brow is too peaked, which gives her a devilish appearance."
Luckily for Gosselin, the botched Botox "can be corrected by a few injections above her eyebrows to let them drop a bit," says Dr. Tony Youn. "Or by just waiting a few months for the Botox effects to subside."
VIDEO: See Danielle Staub's "cold, hard, deformed" boob job
This isn't Gosselin's first plastic surgery.
Us Weekly has reported the Twist of Kate star consulted her bodyguard, Steve Neild (with whom she has denied having an affair), before undergoing a March 2009 breast enhancement. After delivering sextuplets, she also got a free tummy tuck by Dr. Lawrence Glassman. (A few years later, her estranged husband, Jon, dated the doctor's 23-year-old daughter, Hailey Glassman.)