Growing Trend in Cosmetic Surgery Focused on Backside

Celebrities like Beyonce and Jennifer Lopez are bumping up a growing trend in cosmetic surgery with their gluteal assets.

Dr. Scot Glasberg is president of the American Society of Plastic Surgeons. The group just released a report that finds rear-end lifts and augmentations are among the fastest growing cosmetic procedures.... with a near doubling of silicone implants between 2013 and 2014.

But increasingly -- surgeons are opting for fat grafting -- enhancing the derriere using fat from another part of the body.

"Fat transfer is the single largest growing entity in plastic surgery over the last 5 to 10 years," Glasberg said.

When it comes to the face -- people want subtle changes. the number of minimally invasive procedures like Botox and fillers reached nearly 14-million last year alone.

While the typical patient is often a middle-aged woman -- men are now regular "Brotox" users... as are younger women.

"A 30 year old coming to me because she's got some crow's feet or some early signs of lines in her forehead is not unusual anymore."

Breast enlargement remains the most common cosmetic surgery performed... but its popularity sagged... as more and more folks are padding their posteriors.

Experts stress the importance of finding a board-certified surgeon to perform any cosmetic procedure. They're all listed in one spot --