Cher closed the show at the I Will Vote Concert, a Joe Biden campaign fundraiser that also included John Legend, P!nk, Ben Platt, the Black Eyed Peas, Billy Porter, Jennifer Hudson, Andra Day, Darren Criss, Macy Gray and others.
The gay icon, sang Happiness Is A Thing Called Joe, an adaption of the 1943 song Cabin in the Sky, to throw her support behind the Democratic presidential candidate.
Cher has used her Twitter account to encourage fans to vote.
The 74-year-old singer has thrown her support behind Biden Harris campaigning on their behalf including travelling to Las Vegas where she performed Walking In Memphis at a Biden rally. Watch it below.