The Insider.com

When Robin Thicke's partners Olivia Chisholm and Alexis Foster are feeling down about being at the bottom of the pack on Duets, Thicke feels the need to give them a pep talk going into an elimination night.

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"Yesterday is over," he tells them. "The person that gets knocked down and doesn't get back up—that's the one that fails. We're the underdogs. I'm the underdog on the show. I'm the least known on the show...They don't tell you in the beginning that you're gonna make it. They'll tell you a hundred times that you can't make it."

With Thicke's encouraging words on their minds, the two head to the stage to perform their duets. Chisholm takes on Beyonce's "Crazy in Love" with Thicke, who sings a verse in the featured sneak peek.

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Foster gets the stage rocking as well with her rendition of The Fugees "Killing Me Softly," which sends Thicke's voice into the upper register as he smoothly harmonizes with his partner.

Check out the sneak peek above and don't miss the full episode of Duets tonight at 8 p.m. on ABC.