Miley Cyrus posted a topless photo of her to her Instagram page for the "Free the Nipple" campaign, Elle reported. 

"Some lame a** deff gonna [flag] that but f-kkkkkkk it," she captioned the photo on Instagram, which was deleted by the social media site. "#practicewhatchupreach #FreeTheNipple #FreedatS**t."

The Free the Nipple campaign is aimed at empowering women across the world. 

"We stand against female oppression and censorship, both in the United States and around the globe," according to the campaign's website. "We're working to change these inequalities through film, social media, and a grassroots campaign."

Other celebrity supporters of the campaign include Michelle Rodriguez, Rihanna, Lena Dunham, Scout Willis and Liv Tyler, the site notes. 

Miley also recorded a song for the "Free the Nipple" movie. She covered the 1971 Melanie Safka hit song "Look what They've done to my Song, Ma," according to Idolator. 

The movement's official page tweeted about Miley's support according to Just Jared.

"Big thanks to @MileyCyrus for continuing her support #FreeTheNipple #Equality," it tweeted.

Meanwhile, the pop singer spent the holiday with boyfriend Patrick Schwarzenegger and his dad, former California Gov. Arnold Schwarzenegger, PopSugar reported.

The trio spent Saturday at a popular restaurant in Ketchum, Idaho, called The Kneadery. Reports say she was all smiles while talking to her beau and his father and showing them pictures from her mobile phone.

Last month, rumors of their relationship were confirmed during a UC Berkeley vs. USC football game when the couple was spotted kissing. Later, they were spotted on a trip to Miami, where they partied for the city's annual Art Basel celebration.

Miley and Patrick were also spotted celebrating Halloween together amidst rumors of their relationship and paparazzi caught her leaving his apartment in the morning, according to E! Online.

There have also been rumors circulating that Miley was pregnant by Patrick, although recent social media photos shows that she does not have a baby bump.

Mixed reports say the Kennedy-Schwarzenegger family is not a fan of the relationship, while others say they are.