[artist id="1102"]Michael Jackson[/artist] has contributed some of the most unforgettable moments in the history of the MTV Video Music Awards. In 1984, he won a handful of Moonmen for his "Thriller" video. A decade later, he shared a famous kiss with wife Lisa Marie Presley onstage. The list of epic performances and remarkable pop-culture moments goes on and on.

Following [article id="1614744"]Jackson's sudden death[/article] in June, his sister [artist id="1090"]Janet[/artist] will return to the VMA stage to pay musical tribute to her brother. On Sunday, Janet -- who has won nine VMAs -- will make a special appearance at the VMAs to help open the show and honor MJ's career. Previous reports noting that choreographer Frank Gaston is involved are erroneous.

Airing live Sunday at 9 p.m., the Russell Brand-hosted VMAs will pit Lady Gaga against Beyoncé, as each pop star has nabbed nine nominations, including nods for Video of the Year and Best Female Video. Britney Spears has garnered seven nominations for her "Womanizer" and "Circus" clips in categories like Video of the Year and Best Pop Video. Kanye West, Eminem and Coldplay received four nominations each.

Performers include Beyoncé, Jay-Z, Lady Gaga, Green Day, Pink, Taylor Swift and Muse. Among the evening's presenters are Katy Perry, Nelly Furtado, Leighton Meester, Chace Crawford, Ne-Yo and Miranda Cosgrove.

"Twilight" stars Robert Pattinson, Kristen Stewart and Taylor Lautner will also appear on the show to debut an [article id="1620591"]exclusive expanded trailer for "New Moon,"[/article] the second film in the vampire saga.

The 2009 MTV Video Music Awards will take place this Sunday, September 13, at 9 p.m. ET. Stay tuned all week long for news on additional performers and celebrity presenters.