The 20 Best #TBT Pics From MTV's Stable Of Stars

We're looking at the 20 best Throwback Thursday photos posted by MTV stars!

See Ronnie Magro's Movember Transformation

Ronnie Magro couldn't make it through Movember -- see his pre- and post-shave pics!

Roger Mathews' Back Will Never Be The Same -- See The Start Of His Humongous New Tat

Jenni Farley's main squeeze is adding to his ink collection...in a really big way.

Deena Cortese Has A New, Non-Guidette BFF: Former Porn Star Jenna Jameson

The 'Jersey Shore' alum has made a fast friend on the set of 'Couples Therapy.'

Deena Cortese And BF Chris Buckner To Hash Out Issues On VH1's 'Couples Therapy'

The 'Jersey Shore' alum and her boyfriend have argued over partying before...can they work through it?

Ronnie Ortiz-Magro's Major Body Transformation -- See Pics

A sickness temporarily knocked the 'Jersey Shore' alum out of shape, but he's now back to the gym!