President TrumpDonald John TrumpTrump threatening to fire Mulvaney: report Giuliani pens op-ed slamming 'unprecedented' impeachment inquiry Giuliani associate Lev Parnas discussed Ukraine with Trump at private dinner: report MORE is rooting on Sean SpicerSean Michael SpicerThe Hill's Morning Report - Witness transcripts plow ground for public impeachment testimony Sean Spicer eliminated from 'Dancing with the Stars' Trump Jr.: How can Dems beat Trump if they can't boot Sean Spicer from DWTS? MORE for the first time as the former White House press secretary competes on "Dancing With the Stars."

Trump tweeted on Monday to his more than 65 million followers:

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Spicer, 48, joined the cast of the celebrity TV dance competition in August. The announcement that he would be one of the high-profile figures shaking a leg on the long-running ABC series stirred controversy, with "Dancing With the Stars" host Tom Bergeron saying he would have to "agree to disagree" about selecting political guests for the show. 

Although Trump applauded the casting choice when Spicer was named as a contestant — saying he "will do great" in a Twitter post — the commander in chief hadn't tweeted his support since the season began last month.

Spicer, a former Republican National Committee communications director, worked as White House press secretary for approximately seven months in 2017.