Taking place at Caja Magica in Madrid, the 17th annual EMAs will be broadcast live on MTV platforms around the world from 7 November 2010.
The 2010 MTV EMAs are sponsored by the new Suzuki Swift, Calvin Klein Jeans and Dell.
Rock stars Kings of Leon, along with new act Ke$ha and American rock outfit Kid Rock join the lineup of performers alongside the previously announced Katy Perry and Linkin Park.
Hollywood star Longoria, best known for her portrayal of Gabrielle Solis in Desperate Housewives, said: "I am so excited to host the 2010 EMAs in the beautiful and sexy city of Madrid.
"I can’t wait to see some fabulous performances and I am so proud that the two most nominated artists this year are two amazing women - Lady Gaga and Katy Perry - who are making some of the most exciting music in pop right now."
The EMAs are MTV’s annual celebration of the best in music, youth culture and entertainment. Now in its 17th year, MTV’s entertainment platforms claim to reach more than 600 million households.
For more MTV EMA updates at.
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