MTV

Amber Portwood is defending Matt Baier against Jenelle Evans in a Twitter war

See Instagram and red carpet pictures of the 'Teen Mom OG' cast in LA for the MTV Movie Awards and their reunion with Farrah Abraham.

David Magidoff and Derek Gaines play a funny game of Would You Rather in this video interview for MTV's Broke Ass Game Show.​

Nick Jonas reveals his workout routine, how much he can bench press and more about staying in shape in exclusive clip from MTV's 100 Things.

The VMAs are always packed with super memorable moments. But sometimes the most memorable part of the show is the actual host—for better or worse! Do you

Enjoy this trip down "did they seriously wear that?!" memory lane.

Here are the celebs that killed it on the red carpet and put the rest of the competition to shame.

Recap Teen Mom 2 season 5 before the finale and look back at the best moments of MTV show of Jenelle, Chelsea, Kailyn and Leah.

When they weren't trying to beat each other up on last night's The Challenge: Rivals 2 Live Reunion Special, the MTV cast was chatting with us about the other reality shows they'd kill to be on.

Check out these blast-from-the-past pics and tell us below—do you prefer the girls' "befores" or "afters?"

Instagram pics of the MTV reality stars on Teen Mom, 2 and 3 casts and their best friends.

Photos of the MTV Teen Mom baby daddies with their new girlfriends and wives like Ryan Edwards, Jo Rivera, Gary Shirley.

Details on the new format for 16 & Pregnant season 6, rumors of a Teen Mom 4 and more to know about MTV's reality show about teen pregnancy.

Interview with Snooki & Jwoww about fourth and final season of MTV reality show, pregnancies, Nicole and Jionni's wedding and more.

Watch this exclusive clip of Zeke stripping on the series premiere of new reality TV show about Alaska, Slednecks, Thursdays at 10pm on MTV.

Nicole Byer and the Girl Code cast discuss racism on new episode of Girl Code for MTV Look Different campaign in October.

See the trailer for the fourth and final season of Snooki & Jwoww with two babies and one wedding, premiering November 5 on MTV.

First look at MTV's Girl Code season 3 where the cast discusses having the talk about sex with parents. Season 3 premieres Wednesday, October 1.

Exclusive sneak peek at Simone and Dre on MTV's season 1 Are You The One reunion show and baby shower for Ethan and Amber.

Katy Perry sure had fun at the MTV VMAs! But her behavior—and relationship with rapper Riff Raff—has friends worried.

From Britney to Miley and Gaga and Michael Jackson—These are the MTV Video Music Awards performances we watch over and over and over again.

Carter enlists an old friend to help her find her criminal mother on season 1 episode 5 of Finding Carter, Tuesdays at 10pm on MTV.

Teen Mom 2's Kailyn Lowry and other stars joins the Good Look panel for MTV's new campaign, Look Different. Get the exclusive details here.

Interview with Cynthia Watros who plays Elizabeth on MTV's new drama Finding Carter, premiering July 8th on MTV.

Watch the official trailer for the second half of Teen Mom 2 season 5, premiering July 16th on MTV with Jenelle, Kailyn, Chelsea and Leah.

Watch this exclusive clip of Johnny Knoxville talking to victims of Bad Grandpa during MTV's Father's Day programming Mancation Sunday.

Interview with Jonathan Bennett about hosting MTV competition show Copycat, Mean Girls co-stars, and more. Premieres June 2 at 6:30 on MTV.

Nev Schulman and Max Joseph from Catfish play OK or Not OK with celebrity Instagram selfies. Catch season 3 Wednesdays at 110pm on MTV!

Stars of MTV's current shows confess the last thing they faked from IDs to inside jokes to laughs to orgasms.

Watch the trailer for MTV's new singing competition series Copycat hosted by Mean Girls star Jonathan Bennett, premiering June 2 at 6:30pm.

Nicole Snooki Polizzi and Jenni Jwoww Farley discuss their current pregnancies and why you won't be seeing them do a nude pregnancy photo shoot.

Nev Schulman and Max Joseph interview on Catfish season 3 airing Wednesdays on MTV, funny airplane stories, spoilers, previous Catfishers.

Stars of MTV Shows like Guy Code, Girl Code, Awkward and Faking It tell us the best snacks to eat while watching their shows.

Stars of new and current MTV shows tell us the classic ones they want to see come back like TRL, Singled Out, Celebrity Deathmatch and more.

Enter the #SelfieThon contest on MTV to win $1,000 from The Other Woman stars Leslie Mann and Cameron Diaz, airing April 19th during Girl Code.

Interview with Real World veteran Johnny Bananas about The Challenge Free Agents season 25 Thursdays on MTV and filming in South America.

Watch Andrew Schulz, Charlemagne and more in the new trailer for MTV2's Guy Code season 4, premiering April 16th on MTV2.

Watch a clip from MTV's We Heart Mean Girls movie marathon in honor of the Lindsay Lohan film's 10th anniversary on April 30th.

Jay G and Jenna from Real World Ex-plosion season 29 on the love triangles in the house and what's coming up next on the MTV reality show.

Conan O'Brien to host the 2014 MTV Movie Awards on April 13, 2014 from Nokia Theater. Check out full list of nominations.

Jay and Jenna from MTV's Real World Ex-plosion season 29 discuss famous celebrity exes like Kim Kardashian Kris Humphries, Brad and Jen.

Watch the trailer for the new MTV cooking series called House of Food about up and coming chefs living together. Premieres March 31.

Shanley gets mad that Paige and Chris T are the perfect match on episode 7 of Are You The One airing Tuesday nights at 11pm on MTV.

Exes Jay G and Jenna from season 29 of MTV's Real World: Ex-plosion interview about living together, roommate Ashley, and Jay's mom death.

Recap and things we learned from the MTV Teen Mom Catch up specials Being Farrah, Being Amber and Being Catelynn about 16 + Pregnant cast.

Tyler Posey, Tyler Hoechlin, Holland Roden Teen Wolf season 3b interview about character deaths, winter Olympics, dream love interests.

Clip from episode 4 of MTV Are You The One where Adam and Brittany break up, he needs space after hooking up. Airs Tuesdays at 11pm on MTV.

Clip of Nicole Byer and Nicole Snooki Polizzi on MTV Sunday Spoof movie marathon talking about Vampires Suck. Airs Sunday February 9 at 1pm.

Exclusive clip from Jerks With Cameras episode 4 with Justin Hires and Dante Spencer as construction jerks who twerk, Thursdays on MTV.

Videos of Miley Cyrus MTV Unplugged performances, acoustic versions of Bangerz songs and We Cant Stop Don't Tell Me Madonna mashup.