"I'm part Latina. I'm black, and I believe in what the president's saying", the singer told the Los Angeles Times on Sunday.
She also carried a red purse that read "Make America Great Again".
And while she said she doesn't want to keep immigrants out, her language - which mimics President Donald Trump's - isn't fooling people.
"I grew up in theater, so I've always used costume as a way to express myself", Villa told THR.
However, she removed the outer layer and revealed a white dress with a brick wall motif painted on it and "Build the Wall" in red graffiti on the back.
Michelle Obama gets raucous applause at Grammy Awards
Speaking about the different genres of music, the women said that all styles need to be represented and respected. Yolanda Adams, Fantasia and Andra Day will honour the late Aretha Franklin with a performance.
While Villa walked most of the red carpet wearing the border wall-inspired dress, she didn't arrive that way.
Villa at the 2018 Grammys.
"The amount of sheer hatred, racism & violent ignorance thrown at me for wearing my support would be heartbreaking if it weren't so over the top hilarious", Villa tweeted Monday.
During his Oval Office address last month, Trump said 90 percent of the heroin in the USA comes across the border from Mexico, but did not note that most of it comes through legal points of entry, according to The Washington Post's Fact Checker. "I never understand LGBTQ+ people who support him". In it, he said he's pro-Trump because he supports his refugee ban, and said it doesn't mean he's against the LGBT community.
"Well, I'm Ricky Rebel, I have a new album called The New Alpha so I wanted to wear something that represented what an alpha is and who an alpha is and I am the new alpha", Rebel shared with ET. (70% of heroin from Mexico) More illegal women getting sexually assaulted (1 in 3)?
"I approach it as a show", she added.
"I voted for the person who wanted to heavily vet refugees".