Challenge Cutie: Meet Jonna Mannion's Baby Girl

'Real World' and 'Challenge' alum Jonna Mannion welcomes baby girl!

Challenge Competitor Jonna Mannion Is Having A Baby

'Challenge' competitor Jonna Mannion is having a baby -- see her new bump!

'Challenge' Shocker: Johnny Bananas Throws Nany To The Wolves

Which "Challenge" moment was more shocking: ohnny Bananas' "Bloodline" vote or Sarah's "Battle of the Exes 2" shakeup?

These Are The Hottest Hookups Of 2015: MTV Edition

The presented the cutest couples and hottest hook ups of 2015.

Presenting MTV's Grossest Moments Of 2015 (Grab A Barf Bag If One's Handy)

We're pulling together all the grossest moments on MTV from the past year.

'Challenge' Vet Theresa Gonzalez Welcomes Her Very Own Mini-Me

"Challenge" competitor Theresa Gonzalez is a mom -- meet her mini-me Easton!

The Gloves Are Off: These Are The Biggest MTV Fights Of 2015

Check out the biggest MTV fights of 2015.

Zach Nichols Honors His Friend Ryan Knight: 'His Heart Was Gold'

The 'Challenge' champ reflects on their unique bond -- and how Knight's death changed his life.

Remembering Ryan Knight: Jemmye Carroll Pens An Open Letter To Her Longtime Love

Remembering Ryan Knight: On the one-year anniversary of the former MTV star's death, Jemmye Carroll pens an open letter to honor his memory.

Getting Personal: How Diem Brown's Life Made An Impact On My Own

On the year-anniversary of Diem Brown's death, a fan and MTV employee looks back on how the "Challenge" star impacted her life.

Diem Brown's MTV Family Celebrates Her Memory With A Fabulously Fitting Dance Party

Diem Brown's MTV family helped honor one of their own at a special dance party -- see the pics.

Diem Brown's Support System: How CT And Her 'Challenge' Castmates Became Family

Diem Brown's sister Megan recounts how her sibling's "Challenge" castmates turned into family.

Honoring Diem: How 'The Challenge' Star's Memory Is Being Kept Alive

Honoring Diem Brown: Find out how "The Challenge" star's memory is being kept alive.

'Real World' And 'Challenge' Stars Unite To Honor Diem Brown

MTV stars came together in Washington, DC to support The Ovarian Cancer National Alliance in honor of the late Diem Brown.

Are 'Challenge' Couple Zach Nichols And Jenna Compono Still Together?

Are "Challenge" couple Zach Nichols and Jenna Compono still together?

Diem Brown's MTV Family Pays Tribute To The 'Challenge' Competitor On Her Birthday

In honor of Diem Brown's 35th birthday, the "Challenge" star's MTV family paid tribute to their dear friend.

Honoring Diem Brown: Johnny Bananas Gave A Very Special Gift To This Inspiring 13-Year-Old

"Challenge" champ Johnny Bananas is honoring Diem Brown with a special gift for a young cancer patient.

'Challenge' Winner Sarah Rice's Wedding Was A Good Ol' Fashioned MTV Reunion

'Challenge' winner Sarah Rice got married Memorial Day weekend in Palm Springs.

Which 'Challenge' Vet Just Announced Her Pregnancy?

Theresa Gonzalez of 'The Challenge' has announced that she's pregnant!

'Teen Mom 2,' 'America's Best Dance Crew' And 'Girl Code' Set To Return This Summer

MTV favorites like 'Teen Mom 2' and new series like 'Todrick' will soon hit the channel.

When Reality Stars Collide: Whitney Port And 'Challenge' Champ Sarah Rice Meet In Cali

It's a small MTV world: Whitney Port and "Challenge" champ Sarah Rice met -- and were all smiles!

9 'Challenge' Competitors Who Came ThisClose To Victory...But Failed In The Final Mission

Jay and Jenna aren't the first "Challenge" athletes to struggle during the final mission -- take a look back at nine others who did too.

'Challenge' Champ Zach Nichols Chopped Off All His Hair And Man, Does He Look Different

"Challenge" champion Zach Nichols just chopped off his long hair for a great cause -- see the pics!

From Tears To Triumph: This Is Sarah's Road To Becoming A 'Challenge' Champion

Relive Sarah's road to her coveted "Challenge" victory -- from all the heartbreaks to her three previous finals appearances.