Geri Halliwell pregnant: Mama Spice expecting a baby with husband Christian Horner

Geri Horner has gone from Ginger Spice to Mama Spice. The former Spice Girl stunned fans on Monday (10 October) when she announced that she is pregnant with her second child − at the age of 44.

Taking to Instagram, the singer revealed the baby news with the help of a simple sketch of a pregnant woman along with a line borrowed from It's Raining Men, which reads: "God bless Mother Nature #MamaSpice." She revealed no further details about the pregnancy.

Horner tied the knot with the Red Bull Formula 1 Team Principal Christian Horner in a picturesque ceremony in Bedfordshire in May 2015.

Horner's spokesperson later added in a statement that the couple are "delighted" about their impending arrival. "Spice Girl Geri Horner (née Halliwell), 44, and husband Christian Horner OBE, 42, are absolutely delighted to announce they are expecting their first child together," it said. "The couple is overjoyed with the good news and cannot wait to welcome the newest addition to their family."

The Mi Chica Latino hitmaker is already mum to 10-year-old daughter Bluebell from her romance with screenwriter Sacha Gervasi. Christian was in 14-year relationship with former partner, Beverley Allen, which whom he share three-year-old daughter, Olivia.

It is not yet known what the pregnanacy will mean for the GEM reunion. Horner. along with Emma Bunton and Mel B, are reportedly intent on celebrating the 21-year anniversary of the Spice Girls with a London concert in Hyde Park in 2017.