MTV is live streaming the VMA All Access Experience all day Sunday ahead of the awards.

Watch the free live stream of the VMA All Access Live, which provides fans behind-the-scenes access through 10 different camera feeds in the link below. The multi-screen will feature guest appearances from this year's nominees, presenters and performers including Robin Thicke, Big Sean, Ariana Grande Grimes and many more.

One of the cameras will feature an audience reaction angle to ensure viewers catch special moments that television cameras might miss.

MTV is also offering "Social Radar," a social media platform that allows fans to stay abreast of the latest news, moments and arrivals live as they happen. Check out the 2013 MTV VMAs news on Twitter, Vine, Instagram and Facebook content from all of your favorite VMA artists.

Here is a list of some of the top things to expect at tonight's 2013 MTV VMA

-Lady Gaga and Katy Perry's comeback performance. They will each sing the first single from their upcoming album. Gaga will open the awards when it begins at 9 pm EST. Ironically, they are seated next to each other, according to MTV's Instagram.

-Katy Perry will perform live under the Brooklyn Bridge, according to Us Weekly.

-NSync is reunion with original band member and actor, Justin Timberlake.

-Justin Timberlake to receive MTV's Vanguard award, already won by Madonna (1986), Michael Jackson (1988, named 1991), and Britney Spears (2011).

-Exclusive trailer of the upcoming film, Divergent. It will be shown for the first time at the 2013 MTV VMAs.

-Miley Cyrus twerking while performing her hit song We Can't Stop.

-One Direction in Brooklyn. Need we say more?

- If Britney Spears will receive the Lifetime Achievement Award

The VMA red arrivals begin at 6 p.m. EST, the pre-show kicks off at 8 p.m. ET/PT on Sunday, Aug. 25, the main show begins at 9 p.m. ET/PT.

Watch the free live stream of the 2013 MTV VMA All Access Live here.

Tags: MTV VMA 2013 2013 MTV VMAs 2013 MTV Video Music Awards video music awards 2013