On June 6, the Olympic gymnast and the former swimmer began feuding on social media over disagreements on transgender athletes' participation in sports. After Gaines made anti-trans remarks about a transgender softball player while commenting on a celebratory post from the Minnesota State High School League,

Olympic gymnast Simone Biles apologized to anti-transgender activist Riley Gaines this week, after a brief but fiery feud that included Biles apparently endorsing “fair” restrictions on trans athletes in sports.

Simone Biles has broken her silence and apologised to Riley Gaines following their social media spat over transgender athletes in women’s sports.