As Brown's close friend , set of The Duel, viewers saw them fight, break up, kiss and make up.

His bad-boy behavior - he told her in 2009 he'd hooked up with a Challenge castmate to spite her - didn't win him fans in Brown's family.

Brown had been diagnosed with ovarian cancer and came on the show to prove that the disease wouldn't stop her from living her life.

She made a total of eight Challenge appearances between 20, sharing her roller coaster of cancer battles and remissions in front of the camera.

CT has a baby boy, but we hadn’t heard anything about his baby mama.

This is the first big news we have seen from CT since the passing of his longtime off-and-on love, former cast-mate Diem Brown.

She attended high school in Roswell, Georgia and obtained her bachelor's degree in communications from Florida State University.

Since debuting on Real World/Road Rules Challenge: Fresh Meat in 2006, Brown competed in seven additional Challenges.

, but Wednesday's episode required a full box of tissues as Chris "CT" Tamburello returned to honor his late girlfriend Diem Brown.

Brown was a newcomer to reality TV when she made her first appearance on in 2006, but she immediately captured the hearts of the audience.

(June 12, 1982 – November 14, 2014) was an American television personality, philanthropist, and entertainment reporter.

She was best known as a recurring cast member on the MTV reality television series The Challenge.

On the show this season, we get to hear CT chat on the phone with his girlfriend and you can check her out in the below pic.