Trump Jr., Kid Rock to campaign for GOP Michigan Senate candidate John James

Trump Jr., Kid Rock to campaign for GOP Michigan Senate candidate John James
© Facebook: John James

Donald Trump Jr.Donald (Don) John TrumpConway and Haley get into heated feud: 'You'll say anything to get the vice-presidential nomination' Conservative group cuts ties with Michelle Malkin Conservatives seek to stifle new 'alt-right' movement steeped in anti-Semitism MORE and Michigan-native Kid Rock will attend a rally next week in support of Michigan Senate candidate John James (R).

James touted the visit in an advertisement on Thursday, and wrote on Twitter that his campaign had moved the Oct. 17 event to a larger venue due to demand.

Kid Rock will perform two songs at the rally, and Trump Jr. will be joined by his girlfriend and former Fox News host Kimberly Guilfoyle.

Kid Rock last year teased the possibility he would run against Sen. Debbie StabenowDeborah (Debbie) Ann StabenowOvernight Energy: EPA delays board's review of 'secret science' rules | Keystone pipeline spill affecting more land than thought | Dems seek probe into Forest Service grants tied to Alaska logging Democrats ask for investigation of Forest Service grant related to logging in Tongass National Forest Centrist Democrats seize on state election wins to rail against Warren's agenda MORE (D-Mich.), but ultimately conceded he did not plan to launch a campaign. James won a primary in August to secure the Republican nomination to challenge Stabenow, the three-term incumbent.

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The national GOP has rallied around James in his bid to unseat Stabenow, with Vice President Pence making multiple appearances in Michigan to bolster his candidacy, and President TrumpDonald John TrumpMost Americans break with Trump on Ukraine, but just 45 percent think he should be removed: poll Judge orders Democrats to give notice if they request Trump's NY tax returns Trump's doctor issues letter addressing 'speculation' about visit to Walter Reed MORE endorsing the military veteran and business executive.

Trump won the state in the 2016 election by roughly 10,000 votes.

A RealClearPolitics average of polls shows Stabenow leading James in the race by roughly 16 percentage points.

Cook Political Report, a nonpartisan election forecaster, rates the seat as "likely Democrat."