Singer Taylor Swift endorsed Brett Kavanaugh supporter Phil Bredesen with an Instagram post on Sunday in a rare foray into politics.

Bredesen, the Democratic U.S. Senate candidate in Tennessee, said Friday he would support Kavanaugh's confirmation to the Supreme Court, following accusations of sexual misconduct that Kavanaugh denied. Bredesen's decision angered some liberals, including progressive group MoveOn, which announced it was pulling a six-figure digital video ad expenditure for Bredesen as a result.

Swift, who has been criticized for years by some corners of the left for staying out of the political fray, admitted she had been previously "reluctant" to publicly voice her opinions but now felt differently. She had harsh words for Rep. Marsha Blackburn (R., Tenn.), Bredesen's opponent and a strong supporter of President Donald Trump.

"I cannot vote for someone who will not be willing to fight for dignity for ALL Americans, no matter their skin color, gender or who they love," she wrote. "Running for Senate in the state of Tennessee is a woman named Marsha Blackburn. As much as I have in the past and would like to continue voting for women in office, I cannot support Marsha Blackburn. Her voting record in Congress appalls and terrifies me."

Swift, who has a home in Nashville, listed off positions she opposed of Blackburn's and announced she was voting for Bredesen and Rep. Jim Cooper (D., Tenn.) in his House race. The country singer-turned-pop superstar is in the middle of her "Reputation" stadium tour.

"Please, please educate yourself on the candidates running in your state and vote based on who most closely represents your values. For a lot of us, we may never find a candidate or party with whom we agree 100% on every issue, but we have to vote anyway," Swift wrote.

Kavanaugh was confirmed by a 50-48 vote in the U.S. Senate on Saturday and then sworn in the same day. It followed a contentious battle over the misconduct allegations that came forward after his hearings had concluded.