The answer to the question: What show did the artist who played at the 50th Grammy Awards perform at the Pauley Pavilion? is inside the article: "Don't Stop the Music" was the 14th song on the set list of Rihanna's 2007–2009 Good Girl Gone Bad Tour, her first world tour. The singer's performance in Manchester was released in the United Kingdom through iTunes, and is featured on the Good Girl Gone Bad Live DVD. Rihanna performed "Don't Stop the Music" at the 2008 NRJ Music Awards in Cannes on January 26, 2008. She sang the song at the 50th Grammy Awards on February 10, 2008 as half of a medley with "Umbrella" with American funk band The Time. On June 20, 2008 Rihanna was a guest on NBC's Today Concert Series at Rockefeller Center in New York City, performing "Don't Stop the Music", "Umbrella" and "Take a Bow".After the 2009 United Kingdom release of her fourth album, Rated R, Rihanna gave a Nokia promotional concert at the Brixton Academy in London. She performed songs from the new album, including "Russian Roulette", "Wait Your Turn" and "Hard" (the last of these sung with Young Jeezy). Rihanna also performed "Don't Stop the Music" and other previously released songs, including "Disturbia", "Unfaithful" and "Take a Bow". On December 4, 2009 the singer performed on The Release, MySpace Music's urban-music concert series. Rihanna performed her new material, mashed up with older songs including "Don't Stop the Music", "Live Your Life" and "Run This Town", against a background of stacked vintage televisions and silver mannequins.On February 1, 2010, Rihanna performed "Don't Stop the Music" and "Hard" on The Ellen DeGeneres Show. She performed at the 2010 Kids' Choice Awards on March 27, 2010 in the Pauley Pavilion of the UCLA campus, singing "Don't Stop the Music", "Hard" and her 2010 single "Rude Boy". To promote Rated R, Rihanna embarked upon the 2010–2011 Last Girl on Earth Tour (her second worldwide tour), where she performed the song. In June 2011, Rihanna began the Loud Tour, her third major worldwide tour, where the single was twentieth on the set list. She performed "Don't Stop the Music" at Radio 1's Hackney Weekend on May 24, 2012 as the..., can you guess it ?
The answer to this question is:
2010 Kids' Choice Awards