Sarah recently caused controversy by dissing the American girl group and claiming they use sex to sell records.
Nicola posted a picture on Instagram of a cap that said 'Women in music are dangerously underestimated'. Alongside it she wrote 'And that's why we have to peeing each other' followed by a series of fist emojis.
Sarah recently caused controversy on Celebrity Big Brother by dissing American girl group Fifth Harmony - sexy somali porn they use sex to sell records. In scenes shown on Celebrity Big Brother's Bit On The Side, Sarah labelled the four-piece "slutty" and bashed them for not performing proper dance routines.
In a conversation with Chad Johnson Aloud fired: Slutty, slutty, slutty. Sex sells, sex sells. Comparing them to Girls Aloud Sarah added: They girls do slut drops now.
Nicola's jibe will have done nothing to help relations between the ex bandmates, as Sarah told her housemates they are no longer on speaking terms.