"Congress is debating how to fix our gun laws," Cleopatra Pendleton said in the PSA. "They can start with background checks for all gun sales. Tell congress to support common sense reforms so no more innocent children are killed."
Hadiya was shot and killed in a South Side park just days after she had performed in the inaugural festivities in Washington.
In the PSA, her mother says it was the happiest day of her daughter's life.