Mayim Bialik is making her views about President-elect Donald Trump known.

The "Big Bang Theory" star took to Instagram to post a video ahead of Trump’s Jan. 20 inauguration.

"On January 20th when Donald Trump raises his right hand to take the oath, I am going to raise my right hand to preserve, protect and defend the constitution", she says in the video.

Bialik posted the clip along with a link to and the hashtag #taketheoath.

The star has been vocal about her thoughts on the President-elect for some time now. The day after the general election, Bialik shared a blog post on her GrokNation site about her disappointment.

Right now, I don’t know what to do or how. Honestly, I'm still scared…" she wrote. "I pray that the next four years passes quickly. And I pray for guidance from the Universe to show me what I need to do and how I need to do it.

The actress has also shared various Instagram posts about Trump including one on Monday regarding the President-elect’s interactions with Rep. John Lewis.

"Trump attacked congressman and civil rights veteran John Lewis on Twitter the weekend before MLK, Jr. Day. Disgusting… I'm speechless right now."

