Watch Barbra Streisand duet with Donald Trump (but really Jimmy Fallon)

It's no secret that Barbra Streisand is #WithHer. But on Thursday night the music icon took a step toward healing a divided nation by doing some bi-partisan crooning with a most unlikely partner: Donald Trump. Okay, fine, it was just Tonight Show host Jimmy Fallon doing his best impression of the Republican presidential candidate, but Babs was up for the joke, gamely singing a revised version of the standard "Anything You Can Do, I Can Do Better."

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"It's sort of nice to see you," Streisand said of sharing the stage with the self-proclaimed "fantastic" singer. "Any wall you can build I can build taller/ I can build any wall taller than you," Trump bragged to Streisand's dismay. The pair playfully traded barbs over who is going to win November's election with Barbra crooning "she's going to win huuuuuuge!"

See photos of Barbra Streisand through the years:

Streisand, who just finished a rare tour, released a new album of duets on Friday (Aug. 26), Encore: Movie Partners Sing Broadway. The album features songs with Alec Baldwin ("The Best Thing That Ever Has Happened"), Antonio Banderas ("Take Me To The World"), Jamie Foxx ("Climb Ev'ry Mountain"), Hugh Jackman ("Any Moment Now"), Seth MacFarlane ("Pure Imagination"), Melissa McCarthy ("Anything You Can Do"), Chris Pine ("I'll Be Seeing You"/ "I've Grown Accustomed To Your Face"), Anne Hathaway and Daisy Ridley ("At the Ballet"), Patrick Wilson ("Loving You") and the late Anthony Newley ("Who Can I Turn To (When Nobody Needs Me)?"

Barbra Streisand also explained why she angrily called the Apple CEO: