The 2013 VMAs are almost here, and we're celebrating by taking a look back at the most jaw-dropping moments from the unpredictable award show. From Kanye West 's infamous mic-grab from Taylor Swift  in 2009 to Beyoncé's baby bump reveal in 2011, there is always something exciting going on both on and off the stage at the VMAs. Click through to see those moments and many more, and don't forget to check out our live MTV VMAs viewing party  on Sunday, Aug. 25 at 8:30 p.m. EDT/5:30 p.m. PDT.
Jennifer Lopez  won Best Dance Video for "Waiting For Tonight" in 2000.
Beyoncé Knowles revealed she was pregnant at the 2011 show during her performance.
Katy Perry  gave One Direction star Niall Horan a kiss at the 2012 VMAs.
RuPaul met up with Nirvana backstage at the 1993 VMAs.
Madonna  performed "Like a Virgin" in 1984 at Radio City Music Hall, at the first Video Music Awards.
Mariah Carey  and Whitney Houston made light of their alleged feud by wearing the same dress to present in 1998.
In 2009, Kristen Stewart  sported a short bob when she took the stage with Robert Pattinson  and Taylor Lautner .
Paula Abdul  hitched a ride on the hands of her dancers during the 1991 show.
Halle Berry  smiled big and Jean-Claude Van Damme rocked denim on denim backstage in 1992.
Beyonce, Jessica Simpson , and Kelly Rowland posed together backstage in 2000.
In 2010, Lady Gaga , in her infamous meat dress, accepted one of her many awards of the night from Cher.
Courtney Love and Kurt Cobain brought their young daughter Frances Bean to the red carpet in 1993.
Madonna  and Britney Spears  shared a very famous kiss during a medley performance of "Like A Virgin" also with Christina Aguilera  in 2003.
Kevin Hart freaked out at the 2012 VMAs when Rihanna  took the stage.
Taylor Swift  buddied up to Britney Spears  in the audience of the 2008 show.
Slash played the guitar while Michael Jackson  sang "Black or White" in 1995.
Janet Jackson  stayed close to her then husband René Elizondo, Jr. in 1995.
TLC won four awards for their "Waterfalls" video in 1995.
Drew Barrymore , Courtney Love, and her Hole bandmate Eric Erlandson were quite the sight in 1995.
Snoop and Tupac threw up their West Coast hand signs on Sept. 4, 1996, just nine days before Tupac was killed.
Jennifer Lopez  showed off her abs under a blazer while posing with Mark Wahlberg  at the 1998 awards.
Pink swung on a pair of lips during her performance at the 2012 VMAs.
Miley Cyrus  arrived in a long gown for the 2011 awards.
Diddy , who went by Puff Daddy at the time, had the help of Sting, Faith Evans, and 112 to perform his hit "I'll Be Missing You," a tribute to his recently deceased best friend Biggie in 1997.
Lady Gaga , dressed as her alter ego, presented Britney Spears  with a Moonman at the 2011 show.
The Spice Girls won Best Video for "Wannabe" in 1997, and at the show all five members wore black arm bands as a symbol of their sadness over the passing of Princess Diana just days earlier.
Green Day brought their punk style to the red carpet in 1998.
Britney Spears  and Justin Timberlake  cuddled close in their seats during the show in 2000.
Fred Durst came on stage to join Christina Aguilera  during her 2000 performance.
"Let Me Blow Your Mind" collaborators Gwen Stefani  and Eve presented with Moby in 2001.
Michael Jackson  surprised the crowd by coming on stage at the end of the 'N Sync performance of their single "Pop" in 2001.
Pamela Anderson planted a kiss on Kid Rock  backstage at the VMAs in 2001.
16-year-old sisters Mary-Kate and Ashley Olsen  presented together in 2002.
In 2011, Justin Bieber and Selena Gomez  were coupled up on the red carpet.
Diddy  and Usher  shared a moment on stage in 2002.
Eminem  stripped down to show off his shirtless  body in 2002.
Katy Perry  took Miley Cyrus  under her wing on the red carpet of the 2008 awards.
In 2011, Katy Perry  showed off her many awards in the press room.
Beyonce made her debut as a solo artist iduring the show in 2003 where she performed "Baby Boy" and, when Jay-Z  joined her on stage, "Crazy in Love."
At the 2012 VMAs, Emma Watson  went for a colorful look.
Chris Martin 's piano spread his fair trade message during a performance in 2003.
Taylor Swift  rocked the house at the 2012 VMAs.
Miley Cyrus  wore a sexy black frock at the 2012 VMAs.
Jessica Simpson  helped tidy up Nick Lachey 's suit as they arrived at the show in 2003.
Snoop and Gwen Stefani  were named best dressed for charity in 2005.
Eva Mendes  posed with Will Smith  on the red carpet at the 2004 show.
Heidi Klum  showed off her midriff when she hit the red carpet for the VMAs in 2001.
Kelly Clarkson  wowed with a wet and wild rendition of "Since U Been Gone" in 2005.
Jennifer Hudson  glittered on the red carpet in 2007.
Adele belted out a memorable performance at the 2011 VMAs after receiving surgery on her vocal chords.
Rihanna  belted out her hit "Umbrella" in 2007.
In 2010, Selena Gomez  arrived on the carpet in a metallic number.
Lindsay Lohan  sat next to Samantha Ronson during the 2008 show.
Chace Crawford  and Lauren Conrad  presented together in 2008.
Rihanna  and Katy Perry  shared a hug at the 2012 VMAs.
Robert Pattinson  and Kristen Stewart  walked the red carpet together in 2008, two months before Twilight came out and they skyrocketed to superstardom.
Jay-Z  and Alicia Keys  performed "Empire State of Mind" together in 2009.
Kanye West  famously interrupted Taylor Swift 's acceptance speech at the beginning of the 2009 show. What memorable moments will happen this year? We'll be watching to find out!
Katy Perry  accessorized with Russell Brand  on her nails in 2010.
Pink showed off her acrobatic skills during a 2010 performance.
Usher  and Justin Bieber got together on the red carpet in 2010.
Alicia Keys  showed off her Moonman and her midriff at the 2001 VMAs.
Gwyneth Paltrow 's bra peeked out of her vest when she posed with Andre 3000 at the 2004 VMAs.
Kevin Hart and Psy danced onstage at the 2012 VMAs.
Jay-Z  and Kanye West  performed together at the show in 2011.
Rebel Wilson wore a cheeky t-shirt at the 2012 VMAs when she took to the stage with The Wanted.