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Tonight at 9 PM ET, New York’s Ed Sullivan Theater will echo to the sound of powerful vocals, as Jennifer Hudson takes the stage for Live on Letterman in an online concert exclusive.

Today, Last.fm Trends is looking into her scrobbles, to see which tracks may stand out as favorites in her performance.

“Spotlight” is by far her biggest track on Last.fm, and was her debut single in 2008 following her appearances on American Idol and Dreamgirls. The rest of her top five is comprised of tracks from her debut Jennifer Hudson, but she should also be performing the new tracks that are making their way up her charts tonight.

“Where You At” from sophomore release I Remember Me has seen a varied Recent Listening Trend since its release, but her forthcoming live shows, preceded by Live on Letterman, should showcase her new material where her voice can shine through.

Watch Jennifer Hudson Live on Letterman presented by AT&T, right here, tonight, June 13 at 9pm ET / 6pm PT. Meanwhile, Last.fm Trends brings you the news in scrobbles every weekday.