The Rolling Stones legend is mentoring the model and is said to have even picked the music for her first routine, overruling producers to chose Sam Cooke's 'Everybody Loves to Cha Cha Cha'.
"Jerry is still on good terms with Mick so has been talking to him about the show," a source told The Sun.
"He has an encyclopaedic knowledge of music and was keen to help her choose the right song."
Strictly Come Dancing bosses are apparently now hoping to persuade Jagger to appear on a future series given his involvement this year.
Hall takes to the dance floor on tonight's (October 5) episode, which airs on BBC One at 9pm.
Photo gallery - Strictly Come Dancing couples: