Geri with husband Christian Horner. Pic/Getty Images

London: Former Spice Girl Geri Horner is pregnant with her second baby, and her first with her husband and Formula One Red Bull boss Christian Horner.

The 44-year-old pop star announced her news to her fans via social media by posting a meme on Instagram calling herself "Mama Spice", next to a sketch of pregnant woman.

Later, her team made the announcement official with a proper statement.

"Spice Girl Geri Horner (Halliwell) and husband Christian Horner OBE, 42, are absolutely delighted to announce they are expecting their first child together," a representative for Geri said.