Ashlee Simpson Ross and Evan Ross are expecting another baby: 'The fam is growing'

Ashlee Simpson, husband Evan Ross, daughter Jagger Snow Ross and Simpson's son Bronx Wentz arrive for Disney's World Premiere of "Frozen 2" in Hollywood on November 7, 2019.
Ashlee Simpson, husband Evan Ross, daughter Jagger Snow Ross and Simpson's son Bronx Wentz arrive for Disney's World Premiere of "Frozen 2" in Hollywood on November 7, 2019.

The Simpson-Ross clan is expanding.

Ashlee Simpson Ross announced on Instagram Thursday that she's expecting another bundle of joy with husband Evan Ross.

"We are pregnant and we are so excited to share it with everyone. Baby #3," Simpson captioned a picture of herself and Ross happily holding up a positive pregnancy test.

Ross shared the same picture on his Instagram account, adding, "The fam is growing. ♥️ Ash and I can’t wait to welcome the newest addition."

The baby will join a big family, including 4-year-old sister Jagger Snow, 11-year-old brother Bronx Wentz (Simpson's son with ex-husband Pete Wentz), aunts Tracee Ellis Ross and Jessica Simpson, and grandmother Diana Ross.

Ross is the son of Diana Ross and brother of actress Tracee Ellis Ross. Simpson is the sister of singer and actress Jessica Simpson.

Simpson and Ross tied the knot in 2014.

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This article originally appeared on USA TODAY: Ashlee Simpson Ross and Evan Ross expecting another baby