Billings was ranked in the top 30 by many recruiting services coming out of high school.

She led the team to the NCAA Division I women's basketball tournament (the "Sweet 16"), where they lost to Texas.

Billings again started all 34 games for the Bruins in her junior year, again leading the team to the NCAA tournament.

[4][5] With not making the Sparks roster, Billings was signed by the Dallas Wings to a hardship contract following their season opening, as Natasha Howard sustained an injury.

[10] On December 6, 2024, Billings was selected as the Golden State Valkyries' pick from the Phoenix Mercury's 2024 roster in the WNBA's expansion draft.

[11] After the 2018 WNBA season, Billings played for the Asan Woori Bank Wibee of the Women's Korean Basketball League.