Diehard Republican Caitlyn Jenner will attend Donald Trump's Inauguration.

Too bad she won't be able to find a dress for the occasion (Trump says all the dress stores in Washington, D.C. are sold out because all the fine women of the district will be attending his exceedingly popular event).

Jenner has said she wants to be an advocate for trans rights with the new administration and has said she thinks Trump "seems good for women." Jenner said in an interview, "I believe in the simple things. I believe in our Constitution. I think the Republican side, although I’ve been very disappointed with them over the last 10 to 20 years, has a better opportunity to bring this country back to really, as close as you can to what it was. … I have kind of positioned myself with the Republican party to try to help these people understand. [To help] the Republican party understand what the issues are for the LBGT community."

Looks like Caitlyn will be one of the few celebs in attendance at Trump's inauguration -- the president-elect's team has had trouble enlisted stars to attend the landmark event.